Home / 2,767,785.52-4,146,120.29-1,378,735.74

Finding the Fourth Proportional to 2,767,785.52, 4,146,120.29 and 1,378,735.74

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Solution

The fourth proportional to 2,767,785.52, 4,146,120.29 and 1,378,735.74 is: 2,065,334.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,767,785.52 : 4,146,120.29 = 1,378,735.74 : x
  2. Step 2: Convert to fraction form
    2,767,785.52/4,146,120.29 = 1,378,735.74/x
  3. Step 3: Cross multiply
    2,767,785.52x = 4,146,120.29 × 1,378,735.74
  4. Step 4: Simplify right side
    2,767,785.52x = 5,716,404,226,162.17
  5. Step 5: Solve for x
    x = 5,716,404,226,162.17/2,767,785.52
  6. Step 6: Final answer
    x = 2,065,334.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.