Home / 3,976,530.86-5,487,417.14-2,257,425.74

Finding the Fourth Proportional to 3,976,530.86, 5,487,417.14 and 2,257,425.74

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Solution

The fourth proportional to 3,976,530.86, 5,487,417.14 and 2,257,425.74 is: 3,115,136.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976,530.86 : 5,487,417.14 = 2,257,425.74 : x
  2. Step 2: Convert to fraction form
    3,976,530.86/5,487,417.14 = 2,257,425.74/x
  3. Step 3: Cross multiply
    3,976,530.86x = 5,487,417.14 × 2,257,425.74
  4. Step 4: Simplify right side
    3,976,530.86x = 12,387,436,697,953.18
  5. Step 5: Solve for x
    x = 12,387,436,697,953.18/3,976,530.86
  6. Step 6: Final answer
    x = 3,115,136.57

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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.