Home / 5,084,651.52-7,626,965.76-1,298,131.20

Finding the Fourth Proportional to 5,084,651.52, 7,626,965.76 and 1,298,131.20

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Solution

The fourth proportional to 5,084,651.52, 7,626,965.76 and 1,298,131.20 is: 1,947,193.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084,651.52 : 7,626,965.76 = 1,298,131.20 : x
  2. Step 2: Convert to fraction form
    5,084,651.52/7,626,965.76 = 1,298,131.20/x
  3. Step 3: Cross multiply
    5,084,651.52x = 7,626,965.76 × 1,298,131.20
  4. Step 4: Simplify right side
    5,084,651.52x = 9,900,802,214,387.71
  5. Step 5: Solve for x
    x = 9,900,802,214,387.71/5,084,651.52
  6. Step 6: Final answer
    x = 1,947,193.86

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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.