Home / 2,167,544.11-2,991,176.89-1,187,475.43

Finding the Fourth Proportional to 2,167,544.11, 2,991,176.89 and 1,187,475.43

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Solution

The fourth proportional to 2,167,544.11, 2,991,176.89 and 1,187,475.43 is: 1,638,697.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,167,544.11 : 2,991,176.89 = 1,187,475.43 : x
  2. Step 2: Convert to fraction form
    2,167,544.11/2,991,176.89 = 1,187,475.43/x
  3. Step 3: Cross multiply
    2,167,544.11x = 2,991,176.89 × 1,187,475.43
  4. Step 4: Simplify right side
    2,167,544.11x = 3,551,949,063,658.81
  5. Step 5: Solve for x
    x = 3,551,949,063,658.81/2,167,544.11
  6. Step 6: Final answer
    x = 1,638,697.48

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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.