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Finding the Fourth Proportional to 4,602,963.90, 6,904,436.10 and 1,237,170.90

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Solution

The fourth proportional to 4,602,963.90, 6,904,436.10 and 1,237,170.90 is: 1,855,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602,963.90 : 6,904,436.10 = 1,237,170.90 : x
  2. Step 2: Convert to fraction form
    4,602,963.90/6,904,436.10 = 1,237,170.90/x
  3. Step 3: Cross multiply
    4,602,963.90x = 6,904,436.10 × 1,237,170.90
  4. Step 4: Simplify right side
    4,602,963.90x = 8,541,967,423,829.49
  5. Step 5: Solve for x
    x = 8,541,967,423,829.49/4,602,963.90
  6. Step 6: Final answer
    x = 1,855,753.73

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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.