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Finding the Fourth Proportional to 3,411,904.04, 4,702,813.80 and 2,418,801.92

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Solution

The fourth proportional to 3,411,904.04, 4,702,813.80 and 2,418,801.92 is: 3,333,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,904.04 : 4,702,813.80 = 2,418,801.92 : x
  2. Step 2: Convert to fraction form
    3,411,904.04/4,702,813.80 = 2,418,801.92/x
  3. Step 3: Cross multiply
    3,411,904.04x = 4,702,813.80 × 2,418,801.92
  4. Step 4: Simplify right side
    3,411,904.04x = 11,375,175,048,842.50
  5. Step 5: Solve for x
    x = 11,375,175,048,842.50/3,411,904.04
  6. Step 6: Final answer
    x = 3,333,966.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.