Home / 2,574,027.71-3,552,158.68-1,428,105.32

Finding the Fourth Proportional to 2,574,027.71, 3,552,158.68 and 1,428,105.32

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Solution

The fourth proportional to 2,574,027.71, 3,552,158.68 and 1,428,105.32 is: 1,970,785.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574,027.71 : 3,552,158.68 = 1,428,105.32 : x
  2. Step 2: Convert to fraction form
    2,574,027.71/3,552,158.68 = 1,428,105.32/x
  3. Step 3: Cross multiply
    2,574,027.71x = 3,552,158.68 × 1,428,105.32
  4. Step 4: Simplify right side
    2,574,027.71x = 5,072,856,701,251.65
  5. Step 5: Solve for x
    x = 5,072,856,701,251.65/2,574,027.71
  6. Step 6: Final answer
    x = 1,970,785.58

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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.