Home / 5,615,219.60-8,422,829.40-4,288,115.60

Finding the Fourth Proportional to 5,615,219.60, 8,422,829.40 and 4,288,115.60

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Solution

The fourth proportional to 5,615,219.60, 8,422,829.40 and 4,288,115.60 is: 6,432,173.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,219.60 : 8,422,829.40 = 4,288,115.60 : x
  2. Step 2: Convert to fraction form
    5,615,219.60/8,422,829.40 = 4,288,115.60/x
  3. Step 3: Cross multiply
    5,615,219.60x = 8,422,829.40 × 4,288,115.60
  4. Step 4: Simplify right side
    5,615,219.60x = 36,118,066,146,278.64
  5. Step 5: Solve for x
    x = 36,118,066,146,278.64/5,615,219.60
  6. Step 6: Final answer
    x = 6,432,173.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.