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Finding the Fourth Proportional to 5,650,152.76, 8,476,978.74 and 1,957,490.74

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Solution

The fourth proportional to 5,650,152.76, 8,476,978.74 and 1,957,490.74 is: 2,936,842.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650,152.76 : 8,476,978.74 = 1,957,490.74 : x
  2. Step 2: Convert to fraction form
    5,650,152.76/8,476,978.74 = 1,957,490.74/x
  3. Step 3: Cross multiply
    5,650,152.76x = 8,476,978.74 × 1,957,490.74
  4. Step 4: Simplify right side
    5,650,152.76x = 16,593,607,386,726.87
  5. Step 5: Solve for x
    x = 16,593,607,386,726.87/5,650,152.76
  6. Step 6: Final answer
    x = 2,936,842.26

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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.