Home / 3,615,999.60-5,423,999.40-920,319.60

Finding the Fourth Proportional to 3,615,999.60, 5,423,999.40 and 920,319.60

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Solution

The fourth proportional to 3,615,999.60, 5,423,999.40 and 920,319.60 is: 1,380,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,615,999.60 : 5,423,999.40 = 920,319.60 : x
  2. Step 2: Convert to fraction form
    3,615,999.60/5,423,999.40 = 920,319.60/x
  3. Step 3: Cross multiply
    3,615,999.60x = 5,423,999.40 × 920,319.60
  4. Step 4: Simplify right side
    3,615,999.60x = 4,991,812,958,208.24
  5. Step 5: Solve for x
    x = 4,991,812,958,208.24/3,615,999.60
  6. Step 6: Final answer
    x = 1,380,479.40

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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.