Home / 2,120,377.95-3,180,552.33-858,187.35

Finding the Fourth Proportional to 2,120,377.95, 3,180,552.33 and 858,187.35

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Solution

The fourth proportional to 2,120,377.95, 3,180,552.33 and 858,187.35 is: 1,287,275.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,377.95 : 3,180,552.33 = 858,187.35 : x
  2. Step 2: Convert to fraction form
    2,120,377.95/3,180,552.33 = 858,187.35/x
  3. Step 3: Cross multiply
    2,120,377.95x = 3,180,552.33 × 858,187.35
  4. Step 4: Simplify right side
    2,120,377.95x = 2,729,509,775,619.03
  5. Step 5: Solve for x
    x = 2,729,509,775,619.03/2,120,377.95
  6. Step 6: Final answer
    x = 1,287,275.12

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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.