Home / 2,162,373.57-2,984,698.22-1,427,864.15

Finding the Fourth Proportional to 2,162,373.57, 2,984,698.22 and 1,427,864.15

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Solution

The fourth proportional to 2,162,373.57, 2,984,698.22 and 1,427,864.15 is: 1,970,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,373.57 : 2,984,698.22 = 1,427,864.15 : x
  2. Step 2: Convert to fraction form
    2,162,373.57/2,984,698.22 = 1,427,864.15/x
  3. Step 3: Cross multiply
    2,162,373.57x = 2,984,698.22 × 1,427,864.15
  4. Step 4: Simplify right side
    2,162,373.57x = 4,261,743,576,036.62
  5. Step 5: Solve for x
    x = 4,261,743,576,036.62/2,162,373.57
  6. Step 6: Final answer
    x = 1,970,863.70

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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.