Home / 1,972,463.28-2,721,972.71-1,101,311.40

Finding the Fourth Proportional to 1,972,463.28, 2,721,972.71 and 1,101,311.40

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Solution

The fourth proportional to 1,972,463.28, 2,721,972.71 and 1,101,311.40 is: 1,519,794.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,463.28 : 2,721,972.71 = 1,101,311.40 : x
  2. Step 2: Convert to fraction form
    1,972,463.28/2,721,972.71 = 1,101,311.40/x
  3. Step 3: Cross multiply
    1,972,463.28x = 2,721,972.71 × 1,101,311.40
  4. Step 4: Simplify right side
    1,972,463.28x = 2,997,739,570,505.34
  5. Step 5: Solve for x
    x = 2,997,739,570,505.34/1,972,463.28
  6. Step 6: Final answer
    x = 1,519,794.87

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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.