Home / 1,997,395.20-2,996,481.60-577,497.60

Finding the Fourth Proportional to 1,997,395.20, 2,996,481.60 and 577,497.60

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Solution

The fourth proportional to 1,997,395.20, 2,996,481.60 and 577,497.60 is: 866,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,395.20 : 2,996,481.60 = 577,497.60 : x
  2. Step 2: Convert to fraction form
    1,997,395.20/2,996,481.60 = 577,497.60/x
  3. Step 3: Cross multiply
    1,997,395.20x = 2,996,481.60 × 577,497.60
  4. Step 4: Simplify right side
    1,997,395.20x = 1,730,460,932,444.16
  5. Step 5: Solve for x
    x = 1,730,460,932,444.16/1,997,395.20
  6. Step 6: Final answer
    x = 866,358.81

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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.