Home / 4,485,615.60-6,728,423.40-2,126,319.60

Finding the Fourth Proportional to 4,485,615.60, 6,728,423.40 and 2,126,319.60

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Solution

The fourth proportional to 4,485,615.60, 6,728,423.40 and 2,126,319.60 is: 3,189,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485,615.60 : 6,728,423.40 = 2,126,319.60 : x
  2. Step 2: Convert to fraction form
    4,485,615.60/6,728,423.40 = 2,126,319.60/x
  3. Step 3: Cross multiply
    4,485,615.60x = 6,728,423.40 × 2,126,319.60
  4. Step 4: Simplify right side
    4,485,615.60x = 14,306,778,552,518.64
  5. Step 5: Solve for x
    x = 14,306,778,552,518.64/4,485,615.60
  6. Step 6: Final answer
    x = 3,189,479.40

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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.