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Finding the Fourth Proportional to 3,296,398.12, 4,946,677.26 and 1,403,136.52

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Solution

The fourth proportional to 3,296,398.12, 4,946,677.26 and 1,403,136.52 is: 2,105,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,296,398.12 : 4,946,677.26 = 1,403,136.52 : x
  2. Step 2: Convert to fraction form
    3,296,398.12/4,946,677.26 = 1,403,136.52/x
  3. Step 3: Cross multiply
    3,296,398.12x = 4,946,677.26 × 1,403,136.52
  4. Step 4: Simplify right side
    3,296,398.12x = 6,940,863,516,159.54
  5. Step 5: Solve for x
    x = 6,940,863,516,159.54/3,296,398.12
  6. Step 6: Final answer
    x = 2,105,590.18

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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.