Home / 1,780,200.91-2,458,085.25-1,644,180.45

Finding the Fourth Proportional to 1,780,200.91, 2,458,085.25 and 1,644,180.45

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Solution

The fourth proportional to 1,780,200.91, 2,458,085.25 and 1,644,180.45 is: 2,270,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,200.91 : 2,458,085.25 = 1,644,180.45 : x
  2. Step 2: Convert to fraction form
    1,780,200.91/2,458,085.25 = 1,644,180.45/x
  3. Step 3: Cross multiply
    1,780,200.91x = 2,458,085.25 × 1,644,180.45
  4. Step 4: Simplify right side
    1,780,200.91x = 4,041,535,700,182.70
  5. Step 5: Solve for x
    x = 4,041,535,700,182.70/1,780,200.91
  6. Step 6: Final answer
    x = 2,270,269.43

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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.