Home / 3,167,487.60-4,751,231.40-771,313.20

Finding the Fourth Proportional to 3,167,487.60, 4,751,231.40 and 771,313.20

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Solution

The fourth proportional to 3,167,487.60, 4,751,231.40 and 771,313.20 is: 1,156,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,167,487.60 : 4,751,231.40 = 771,313.20 : x
  2. Step 2: Convert to fraction form
    3,167,487.60/4,751,231.40 = 771,313.20/x
  3. Step 3: Cross multiply
    3,167,487.60x = 4,751,231.40 × 771,313.20
  4. Step 4: Simplify right side
    3,167,487.60x = 3,664,687,495,074.48
  5. Step 5: Solve for x
    x = 3,664,687,495,074.48/3,167,487.60
  6. Step 6: Final answer
    x = 1,156,969.80

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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.