Home / 2,487,515.55-3,432,731.25-1,399,786.50

Finding the Fourth Proportional to 2,487,515.55, 3,432,731.25 and 1,399,786.50

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Solution

The fourth proportional to 2,487,515.55, 3,432,731.25 and 1,399,786.50 is: 1,931,682.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,515.55 : 3,432,731.25 = 1,399,786.50 : x
  2. Step 2: Convert to fraction form
    2,487,515.55/3,432,731.25 = 1,399,786.50/x
  3. Step 3: Cross multiply
    2,487,515.55x = 3,432,731.25 × 1,399,786.50
  4. Step 4: Simplify right side
    2,487,515.55x = 4,805,090,861,878.13
  5. Step 5: Solve for x
    x = 4,805,090,861,878.13/2,487,515.55
  6. Step 6: Final answer
    x = 1,931,682.74

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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.