Home / 5,666,897.20-7,820,500.80-3,219,463.72

Finding the Fourth Proportional to 5,666,897.20, 7,820,500.80 and 3,219,463.72

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Solution

The fourth proportional to 5,666,897.20, 7,820,500.80 and 3,219,463.72 is: 4,442,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666,897.20 : 7,820,500.80 = 3,219,463.72 : x
  2. Step 2: Convert to fraction form
    5,666,897.20/7,820,500.80 = 3,219,463.72/x
  3. Step 3: Cross multiply
    5,666,897.20x = 7,820,500.80 × 3,219,463.72
  4. Step 4: Simplify right side
    5,666,897.20x = 25,177,818,597,830.98
  5. Step 5: Solve for x
    x = 25,177,818,597,830.98/5,666,897.20
  6. Step 6: Final answer
    x = 4,442,963.71

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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.