Home / 5,199,326.80-7,174,936.72-2,876,158.78

Finding the Fourth Proportional to 5,199,326.80, 7,174,936.72 and 2,876,158.78

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Solution

The fourth proportional to 5,199,326.80, 7,174,936.72 and 2,876,158.78 is: 3,969,024.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199,326.80 : 7,174,936.72 = 2,876,158.78 : x
  2. Step 2: Convert to fraction form
    5,199,326.80/7,174,936.72 = 2,876,158.78/x
  3. Step 3: Cross multiply
    5,199,326.80x = 7,174,936.72 × 2,876,158.78
  4. Step 4: Simplify right side
    5,199,326.80x = 20,636,257,243,172.40
  5. Step 5: Solve for x
    x = 20,636,257,243,172.40/5,199,326.80
  6. Step 6: Final answer
    x = 3,969,024.84

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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.