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Finding the Fourth Proportional to 1,719,493.60, 2,573,116.80 and 1,497,294.40

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Solution

The fourth proportional to 1,719,493.60, 2,573,116.80 and 1,497,294.40 is: 2,240,609.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,493.60 : 2,573,116.80 = 1,497,294.40 : x
  2. Step 2: Convert to fraction form
    1,719,493.60/2,573,116.80 = 1,497,294.40/x
  3. Step 3: Cross multiply
    1,719,493.60x = 2,573,116.80 × 1,497,294.40
  4. Step 4: Simplify right side
    1,719,493.60x = 3,852,713,375,185.92
  5. Step 5: Solve for x
    x = 3,852,713,375,185.92/1,719,493.60
  6. Step 6: Final answer
    x = 2,240,609.31

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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.