Home / 2,777,011.70-3,832,631.07-1,553,385.20

Finding the Fourth Proportional to 2,777,011.70, 3,832,631.07 and 1,553,385.20

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Solution

The fourth proportional to 2,777,011.70, 3,832,631.07 and 1,553,385.20 is: 2,143,870.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,777,011.70 : 3,832,631.07 = 1,553,385.20 : x
  2. Step 2: Convert to fraction form
    2,777,011.70/3,832,631.07 = 1,553,385.20/x
  3. Step 3: Cross multiply
    2,777,011.70x = 3,832,631.07 × 1,553,385.20
  4. Step 4: Simplify right side
    2,777,011.70x = 5,953,552,381,198.16
  5. Step 5: Solve for x
    x = 5,953,552,381,198.16/2,777,011.70
  6. Step 6: Final answer
    x = 2,143,870.11

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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.