Home / 2,155,295.43-2,974,507.25-1,237,644.81

Finding the Fourth Proportional to 2,155,295.43, 2,974,507.25 and 1,237,644.81

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Solution

The fourth proportional to 2,155,295.43, 2,974,507.25 and 1,237,644.81 is: 1,708,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155,295.43 : 2,974,507.25 = 1,237,644.81 : x
  2. Step 2: Convert to fraction form
    2,155,295.43/2,974,507.25 = 1,237,644.81/x
  3. Step 3: Cross multiply
    2,155,295.43x = 2,974,507.25 × 1,237,644.81
  4. Step 4: Simplify right side
    2,155,295.43x = 3,681,383,454,081.65
  5. Step 5: Solve for x
    x = 3,681,383,454,081.65/2,155,295.43
  6. Step 6: Final answer
    x = 1,708,064.43

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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.