Home / 5,209,877.73-7,189,624.19-2,886,920.70

Finding the Fourth Proportional to 5,209,877.73, 7,189,624.19 and 2,886,920.70

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Solution

The fourth proportional to 5,209,877.73, 7,189,624.19 and 2,886,920.70 is: 3,983,946.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209,877.73 : 7,189,624.19 = 2,886,920.70 : x
  2. Step 2: Convert to fraction form
    5,209,877.73/7,189,624.19 = 2,886,920.70/x
  3. Step 3: Cross multiply
    5,209,877.73x = 7,189,624.19 × 2,886,920.70
  4. Step 4: Simplify right side
    5,209,877.73x = 20,755,874,879,587.95
  5. Step 5: Solve for x
    x = 20,755,874,879,587.95/5,209,877.73
  6. Step 6: Final answer
    x = 3,983,946.64

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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.