Home / 3,136,937.47-4,699,407.80-2,121,073.22

Finding the Fourth Proportional to 3,136,937.47, 4,699,407.80 and 2,121,073.22

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Solution

The fourth proportional to 3,136,937.47, 4,699,407.80 and 2,121,073.22 is: 3,177,553.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,937.47 : 4,699,407.80 = 2,121,073.22 : x
  2. Step 2: Convert to fraction form
    3,136,937.47/4,699,407.80 = 2,121,073.22/x
  3. Step 3: Cross multiply
    3,136,937.47x = 4,699,407.80 × 2,121,073.22
  4. Step 4: Simplify right side
    3,136,937.47x = 9,967,788,051,490.32
  5. Step 5: Solve for x
    x = 9,967,788,051,490.32/3,136,937.47
  6. Step 6: Final answer
    x = 3,177,553.95

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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.