Home / 5,175,765.90-7,765,046.46-1,581,434.64

Finding the Fourth Proportional to 5,175,765.90, 7,765,046.46 and 1,581,434.64

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Solution

The fourth proportional to 5,175,765.90, 7,765,046.46 and 1,581,434.64 is: 2,372,578.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,765.90 : 7,765,046.46 = 1,581,434.64 : x
  2. Step 2: Convert to fraction form
    5,175,765.90/7,765,046.46 = 1,581,434.64/x
  3. Step 3: Cross multiply
    5,175,765.90x = 7,765,046.46 × 1,581,434.64
  4. Step 4: Simplify right side
    5,175,765.90x = 12,279,913,453,053.37
  5. Step 5: Solve for x
    x = 12,279,913,453,053.37/5,175,765.90
  6. Step 6: Final answer
    x = 2,372,578.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.