Home / 3,861,478.16-5,328,487.67-2,291,339.45

Finding the Fourth Proportional to 3,861,478.16, 5,328,487.67 and 2,291,339.45

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Solution

The fourth proportional to 3,861,478.16, 5,328,487.67 and 2,291,339.45 is: 3,161,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,861,478.16 : 5,328,487.67 = 2,291,339.45 : x
  2. Step 2: Convert to fraction form
    3,861,478.16/5,328,487.67 = 2,291,339.45/x
  3. Step 3: Cross multiply
    3,861,478.16x = 5,328,487.67 × 2,291,339.45
  4. Step 4: Simplify right side
    3,861,478.16x = 12,209,374,010,510.66
  5. Step 5: Solve for x
    x = 12,209,374,010,510.66/3,861,478.16
  6. Step 6: Final answer
    x = 3,161,839.46

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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.