Home / 2,312,432.97-3,469,128.14-693,136.40

Finding the Fourth Proportional to 2,312,432.97, 3,469,128.14 and 693,136.40

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Solution

The fourth proportional to 2,312,432.97, 3,469,128.14 and 693,136.40 is: 1,039,848.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312,432.97 : 3,469,128.14 = 693,136.40 : x
  2. Step 2: Convert to fraction form
    2,312,432.97/3,469,128.14 = 693,136.40/x
  3. Step 3: Cross multiply
    2,312,432.97x = 3,469,128.14 × 693,136.40
  4. Step 4: Simplify right side
    2,312,432.97x = 2,404,578,984,242.42
  5. Step 5: Solve for x
    x = 2,404,578,984,242.42/2,312,432.97
  6. Step 6: Final answer
    x = 1,039,848.08

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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.