Home / 6,486,695.47-8,950,154.52-3,872,690.74

Finding the Fourth Proportional to 6,486,695.47, 8,950,154.52 and 3,872,690.74

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Solution

The fourth proportional to 6,486,695.47, 8,950,154.52 and 3,872,690.74 is: 5,343,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486,695.47 : 8,950,154.52 = 3,872,690.74 : x
  2. Step 2: Convert to fraction form
    6,486,695.47/8,950,154.52 = 3,872,690.74/x
  3. Step 3: Cross multiply
    6,486,695.47x = 8,950,154.52 × 3,872,690.74
  4. Step 4: Simplify right side
    6,486,695.47x = 34,661,180,531,173.14
  5. Step 5: Solve for x
    x = 34,661,180,531,173.14/6,486,695.47
  6. Step 6: Final answer
    x = 5,343,426.51

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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.