Home / 2,419,340.15-3,338,306.79-1,386,649.01

Finding the Fourth Proportional to 2,419,340.15, 3,338,306.79 and 1,386,649.01

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Solution

The fourth proportional to 2,419,340.15, 3,338,306.79 and 1,386,649.01 is: 1,913,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419,340.15 : 3,338,306.79 = 1,386,649.01 : x
  2. Step 2: Convert to fraction form
    2,419,340.15/3,338,306.79 = 1,386,649.01/x
  3. Step 3: Cross multiply
    2,419,340.15x = 3,338,306.79 × 1,386,649.01
  4. Step 4: Simplify right side
    2,419,340.15x = 4,629,059,797,597.54
  5. Step 5: Solve for x
    x = 4,629,059,797,597.54/2,419,340.15
  6. Step 6: Final answer
    x = 1,913,356.33

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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.