Home / 4,178,605-6,268,368.30-1,338,049.48

Finding the Fourth Proportional to 4,178,605, 6,268,368.30 and 1,338,049.48

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Solution

The fourth proportional to 4,178,605, 6,268,368.30 and 1,338,049.48 is: 2,007,221.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178,605 : 6,268,368.30 = 1,338,049.48 : x
  2. Step 2: Convert to fraction form
    4,178,605/6,268,368.30 = 1,338,049.48/x
  3. Step 3: Cross multiply
    4,178,605x = 6,268,368.30 × 1,338,049.48
  4. Step 4: Simplify right side
    4,178,605x = 8,387,386,944,263.48
  5. Step 5: Solve for x
    x = 8,387,386,944,263.48/4,178,605
  6. Step 6: Final answer
    x = 2,007,221.77

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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.