Home / 1,887,537.78-2,830,186.80-749,687.85

Finding the Fourth Proportional to 1,887,537.78, 2,830,186.80 and 749,687.85

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Solution

The fourth proportional to 1,887,537.78, 2,830,186.80 and 749,687.85 is: 1,124,086.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887,537.78 : 2,830,186.80 = 749,687.85 : x
  2. Step 2: Convert to fraction form
    1,887,537.78/2,830,186.80 = 749,687.85/x
  3. Step 3: Cross multiply
    1,887,537.78x = 2,830,186.80 × 749,687.85
  4. Step 4: Simplify right side
    1,887,537.78x = 2,121,756,657,190.38
  5. Step 5: Solve for x
    x = 2,121,756,657,190.38/1,887,537.78
  6. Step 6: Final answer
    x = 1,124,086.99

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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.