Home / 2,078,550.80-3,115,493.40-880,269.20

Finding the Fourth Proportional to 2,078,550.80, 3,115,493.40 and 880,269.20

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Solution

The fourth proportional to 2,078,550.80, 3,115,493.40 and 880,269.20 is: 1,319,415.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,550.80 : 3,115,493.40 = 880,269.20 : x
  2. Step 2: Convert to fraction form
    2,078,550.80/3,115,493.40 = 880,269.20/x
  3. Step 3: Cross multiply
    2,078,550.80x = 3,115,493.40 × 880,269.20
  4. Step 4: Simplify right side
    2,078,550.80x = 2,742,472,882,823.28
  5. Step 5: Solve for x
    x = 2,742,472,882,823.28/2,078,550.80
  6. Step 6: Final answer
    x = 1,319,415.86

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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.