Home / 1,622,807.90-2,227,747.87-1,392,966.17

Finding the Fourth Proportional to 1,622,807.90, 2,227,747.87 and 1,392,966.17

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Solution

The fourth proportional to 1,622,807.90, 2,227,747.87 and 1,392,966.17 is: 1,912,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,622,807.90 : 2,227,747.87 = 1,392,966.17 : x
  2. Step 2: Convert to fraction form
    1,622,807.90/2,227,747.87 = 1,392,966.17/x
  3. Step 3: Cross multiply
    1,622,807.90x = 2,227,747.87 × 1,392,966.17
  4. Step 4: Simplify right side
    1,622,807.90x = 3,103,177,400,095.99
  5. Step 5: Solve for x
    x = 3,103,177,400,095.99/1,622,807.90
  6. Step 6: Final answer
    x = 1,912,227.20

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.