Home / 5,107,004.91-7,047,715.23-2,815,247.61

Finding the Fourth Proportional to 5,107,004.91, 7,047,715.23 and 2,815,247.61

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Solution

The fourth proportional to 5,107,004.91, 7,047,715.23 and 2,815,247.61 is: 3,885,068.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,004.91 : 7,047,715.23 = 2,815,247.61 : x
  2. Step 2: Convert to fraction form
    5,107,004.91/7,047,715.23 = 2,815,247.61/x
  3. Step 3: Cross multiply
    5,107,004.91x = 7,047,715.23 × 2,815,247.61
  4. Step 4: Simplify right side
    5,107,004.91x = 19,841,063,457,218.10
  5. Step 5: Solve for x
    x = 19,841,063,457,218.10/5,107,004.91
  6. Step 6: Final answer
    x = 3,885,068.41

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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.