Home / 5,338,146.59-7,366,649.40-2,890,761.86

Finding the Fourth Proportional to 5,338,146.59, 7,366,649.40 and 2,890,761.86

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Solution

The fourth proportional to 5,338,146.59, 7,366,649.40 and 2,890,761.86 is: 3,989,255.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,146.59 : 7,366,649.40 = 2,890,761.86 : x
  2. Step 2: Convert to fraction form
    5,338,146.59/7,366,649.40 = 2,890,761.86/x
  3. Step 3: Cross multiply
    5,338,146.59x = 7,366,649.40 × 2,890,761.86
  4. Step 4: Simplify right side
    5,338,146.59x = 21,295,229,074,057.26
  5. Step 5: Solve for x
    x = 21,295,229,074,057.26/5,338,146.59
  6. Step 6: Final answer
    x = 3,989,255.21

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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.