Home / 1,780,199.38-2,458,083.14-1,644,178.92

Finding the Fourth Proportional to 1,780,199.38, 2,458,083.14 and 1,644,178.92

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Solution

The fourth proportional to 1,780,199.38, 2,458,083.14 and 1,644,178.92 is: 2,270,267.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,199.38 : 2,458,083.14 = 1,644,178.92 : x
  2. Step 2: Convert to fraction form
    1,780,199.38/2,458,083.14 = 1,644,178.92/x
  3. Step 3: Cross multiply
    1,780,199.38x = 2,458,083.14 × 1,644,178.92
  4. Step 4: Simplify right side
    1,780,199.38x = 4,041,528,482,395.41
  5. Step 5: Solve for x
    x = 4,041,528,482,395.41/1,780,199.38
  6. Step 6: Final answer
    x = 2,270,267.32

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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.