Home / 2,485,161.89-3,429,543.84-1,397,423.95

Finding the Fourth Proportional to 2,485,161.89, 3,429,543.84 and 1,397,423.95

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Solution

The fourth proportional to 2,485,161.89, 3,429,543.84 and 1,397,423.95 is: 1,928,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,485,161.89 : 3,429,543.84 = 1,397,423.95 : x
  2. Step 2: Convert to fraction form
    2,485,161.89/3,429,543.84 = 1,397,423.95/x
  3. Step 3: Cross multiply
    2,485,161.89x = 3,429,543.84 × 1,397,423.95
  4. Step 4: Simplify right side
    2,485,161.89x = 4,792,526,699,590.97
  5. Step 5: Solve for x
    x = 4,792,526,699,590.97/2,485,161.89
  6. Step 6: Final answer
    x = 1,928,456.54

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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.