Home / 2,742,928.52-3,785,074.94-1,519,160.78

Finding the Fourth Proportional to 2,742,928.52, 3,785,074.94 and 1,519,160.78

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Solution

The fourth proportional to 2,742,928.52, 3,785,074.94 and 1,519,160.78 is: 2,096,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,742,928.52 : 3,785,074.94 = 1,519,160.78 : x
  2. Step 2: Convert to fraction form
    2,742,928.52/3,785,074.94 = 1,519,160.78/x
  3. Step 3: Cross multiply
    2,742,928.52x = 3,785,074.94 × 1,519,160.78
  4. Step 4: Simplify right side
    2,742,928.52x = 5,750,137,371,687.68
  5. Step 5: Solve for x
    x = 5,750,137,371,687.68/2,742,928.52
  6. Step 6: Final answer
    x = 2,096,349.70

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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.