Home / 1,864,972.72-2,786,842.36-1,400,321.56

Finding the Fourth Proportional to 1,864,972.72, 2,786,842.36 and 1,400,321.56

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Solution

The fourth proportional to 1,864,972.72, 2,786,842.36 and 1,400,321.56 is: 2,092,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,972.72 : 2,786,842.36 = 1,400,321.56 : x
  2. Step 2: Convert to fraction form
    1,864,972.72/2,786,842.36 = 1,400,321.56/x
  3. Step 3: Cross multiply
    1,864,972.72x = 2,786,842.36 × 1,400,321.56
  4. Step 4: Simplify right side
    1,864,972.72x = 3,902,475,441,029.28
  5. Step 5: Solve for x
    x = 3,902,475,441,029.28/1,864,972.72
  6. Step 6: Final answer
    x = 2,092,510.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.