Home / 4,752,812.80-7,129,154.40-1,558,043.20

Finding the Fourth Proportional to 4,752,812.80, 7,129,154.40 and 1,558,043.20

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Solution

The fourth proportional to 4,752,812.80, 7,129,154.40 and 1,558,043.20 is: 2,337,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,812.80 : 7,129,154.40 = 1,558,043.20 : x
  2. Step 2: Convert to fraction form
    4,752,812.80/7,129,154.40 = 1,558,043.20/x
  3. Step 3: Cross multiply
    4,752,812.80x = 7,129,154.40 × 1,558,043.20
  4. Step 4: Simplify right side
    4,752,812.80x = 11,107,530,534,670.08
  5. Step 5: Solve for x
    x = 11,107,530,534,670.08/4,752,812.80
  6. Step 6: Final answer
    x = 2,337,043.56

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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.