Home / 3,124,171.69-4,311,755.79-1,747,591.87

Finding the Fourth Proportional to 3,124,171.69, 4,311,755.79 and 1,747,591.87

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Solution

The fourth proportional to 3,124,171.69, 4,311,755.79 and 1,747,591.87 is: 2,411,899.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124,171.69 : 4,311,755.79 = 1,747,591.87 : x
  2. Step 2: Convert to fraction form
    3,124,171.69/4,311,755.79 = 1,747,591.87/x
  3. Step 3: Cross multiply
    3,124,171.69x = 4,311,755.79 × 1,747,591.87
  4. Step 4: Simplify right side
    3,124,171.69x = 7,535,189,355,291.47
  5. Step 5: Solve for x
    x = 7,535,189,355,291.47/3,124,171.69
  6. Step 6: Final answer
    x = 2,411,899.89

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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.