Home / 2,578,033.39-3,867,246.90-781,065.70

Finding the Fourth Proportional to 2,578,033.39, 3,867,246.90 and 781,065.70

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Solution

The fourth proportional to 2,578,033.39, 3,867,246.90 and 781,065.70 is: 1,171,658.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,033.39 : 3,867,246.90 = 781,065.70 : x
  2. Step 2: Convert to fraction form
    2,578,033.39/3,867,246.90 = 781,065.70/x
  3. Step 3: Cross multiply
    2,578,033.39x = 3,867,246.90 × 781,065.70
  4. Step 4: Simplify right side
    2,578,033.39x = 3,020,573,907,021.33
  5. Step 5: Solve for x
    x = 3,020,573,907,021.33/2,578,033.39
  6. Step 6: Final answer
    x = 1,171,658.18

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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.