Home / 2,487,448.02-3,731,823.66-781,522.40

Finding the Fourth Proportional to 2,487,448.02, 3,731,823.66 and 781,522.40

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Solution

The fourth proportional to 2,487,448.02, 3,731,823.66 and 781,522.40 is: 1,172,488.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487,448.02 : 3,731,823.66 = 781,522.40 : x
  2. Step 2: Convert to fraction form
    2,487,448.02/3,731,823.66 = 781,522.40/x
  3. Step 3: Cross multiply
    2,487,448.02x = 3,731,823.66 × 781,522.40
  4. Step 4: Simplify right side
    2,487,448.02x = 2,916,503,783,139.98
  5. Step 5: Solve for x
    x = 2,916,503,783,139.98/2,487,448.02
  6. Step 6: Final answer
    x = 1,172,488.33

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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.