Home / 1,618,985.92-2,428,250.64-1,018,115.20

Finding the Fourth Proportional to 1,618,985.92, 2,428,250.64 and 1,018,115.20

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Solution

The fourth proportional to 1,618,985.92, 2,428,250.64 and 1,018,115.20 is: 1,527,029.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,985.92 : 2,428,250.64 = 1,018,115.20 : x
  2. Step 2: Convert to fraction form
    1,618,985.92/2,428,250.64 = 1,018,115.20/x
  3. Step 3: Cross multiply
    1,618,985.92x = 2,428,250.64 × 1,018,115.20
  4. Step 4: Simplify right side
    1,618,985.92x = 2,472,238,885,993.73
  5. Step 5: Solve for x
    x = 2,472,238,885,993.73/1,618,985.92
  6. Step 6: Final answer
    x = 1,527,029.27

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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.