Home / 5,417,921-7,476,691.38-2,970,491.72

Finding the Fourth Proportional to 5,417,921, 7,476,691.38 and 2,970,491.72

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Solution

The fourth proportional to 5,417,921, 7,476,691.38 and 2,970,491.72 is: 4,099,256.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417,921 : 7,476,691.38 = 2,970,491.72 : x
  2. Step 2: Convert to fraction form
    5,417,921/7,476,691.38 = 2,970,491.72/x
  3. Step 3: Cross multiply
    5,417,921x = 7,476,691.38 × 2,970,491.72
  4. Step 4: Simplify right side
    5,417,921x = 22,209,449,837,285.38
  5. Step 5: Solve for x
    x = 22,209,449,837,285.38/5,417,921
  6. Step 6: Final answer
    x = 4,099,256.86

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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.