Home / 5,144,536.80-7,098,949.08-2,969,780.49

Finding the Fourth Proportional to 5,144,536.80, 7,098,949.08 and 2,969,780.49

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Solution

The fourth proportional to 5,144,536.80, 7,098,949.08 and 2,969,780.49 is: 4,098,001.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144,536.80 : 7,098,949.08 = 2,969,780.49 : x
  2. Step 2: Convert to fraction form
    5,144,536.80/7,098,949.08 = 2,969,780.49/x
  3. Step 3: Cross multiply
    5,144,536.80x = 7,098,949.08 × 2,969,780.49
  4. Step 4: Simplify right side
    5,144,536.80x = 21,082,320,477,287.45
  5. Step 5: Solve for x
    x = 21,082,320,477,287.45/5,144,536.80
  6. Step 6: Final answer
    x = 4,098,001.69

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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.