Home / 6,486,684.30-8,950,139.21-3,872,679.62

Finding the Fourth Proportional to 6,486,684.30, 8,950,139.21 and 3,872,679.62

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Solution

The fourth proportional to 6,486,684.30, 8,950,139.21 and 3,872,679.62 is: 5,343,411.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,486,684.30 : 8,950,139.21 = 3,872,679.62 : x
  2. Step 2: Convert to fraction form
    6,486,684.30/8,950,139.21 = 3,872,679.62/x
  3. Step 3: Cross multiply
    6,486,684.30x = 8,950,139.21 × 3,872,679.62
  4. Step 4: Simplify right side
    6,486,684.30x = 34,661,021,679,660.91
  5. Step 5: Solve for x
    x = 34,661,021,679,660.91/6,486,684.30
  6. Step 6: Final answer
    x = 5,343,411.22

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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.