Home / 5,438,869.56-7,505,689.50-2,958,111.72

Finding the Fourth Proportional to 5,438,869.56, 7,505,689.50 and 2,958,111.72

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Solution

The fourth proportional to 5,438,869.56, 7,505,689.50 and 2,958,111.72 is: 4,082,221.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,869.56 : 7,505,689.50 = 2,958,111.72 : x
  2. Step 2: Convert to fraction form
    5,438,869.56/7,505,689.50 = 2,958,111.72/x
  3. Step 3: Cross multiply
    5,438,869.56x = 7,505,689.50 × 2,958,111.72
  4. Step 4: Simplify right side
    5,438,869.56x = 22,202,668,076,630.94
  5. Step 5: Solve for x
    x = 22,202,668,076,630.94/5,438,869.56
  6. Step 6: Final answer
    x = 4,082,221.10

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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.