Home / 3,781,618.80-5,672,946.60-1,257,010.80

Finding the Fourth Proportional to 3,781,618.80, 5,672,946.60 and 1,257,010.80

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Solution

The fourth proportional to 3,781,618.80, 5,672,946.60 and 1,257,010.80 is: 1,885,688.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,618.80 : 5,672,946.60 = 1,257,010.80 : x
  2. Step 2: Convert to fraction form
    3,781,618.80/5,672,946.60 = 1,257,010.80/x
  3. Step 3: Cross multiply
    3,781,618.80x = 5,672,946.60 × 1,257,010.80
  4. Step 4: Simplify right side
    3,781,618.80x = 7,130,955,144,023.28
  5. Step 5: Solve for x
    x = 7,130,955,144,023.28/3,781,618.80
  6. Step 6: Final answer
    x = 1,885,688.52

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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.