Home / 1,566,288.30-2,349,432.45-1,485,417.90

Finding the Fourth Proportional to 1,566,288.30, 2,349,432.45 and 1,485,417.90

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Solution

The fourth proportional to 1,566,288.30, 2,349,432.45 and 1,485,417.90 is: 2,228,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,288.30 : 2,349,432.45 = 1,485,417.90 : x
  2. Step 2: Convert to fraction form
    1,566,288.30/2,349,432.45 = 1,485,417.90/x
  3. Step 3: Cross multiply
    1,566,288.30x = 2,349,432.45 × 1,485,417.90
  4. Step 4: Simplify right side
    1,566,288.30x = 3,489,889,016,070.86
  5. Step 5: Solve for x
    x = 3,489,889,016,070.86/1,566,288.30
  6. Step 6: Final answer
    x = 2,228,126.85

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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.