Home / 2,315,123.84-3,195,979.80-1,542,041.12

Finding the Fourth Proportional to 2,315,123.84, 3,195,979.80 and 1,542,041.12

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Solution

The fourth proportional to 2,315,123.84, 3,195,979.80 and 1,542,041.12 is: 2,128,755.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,123.84 : 3,195,979.80 = 1,542,041.12 : x
  2. Step 2: Convert to fraction form
    2,315,123.84/3,195,979.80 = 1,542,041.12/x
  3. Step 3: Cross multiply
    2,315,123.84x = 3,195,979.80 × 1,542,041.12
  4. Step 4: Simplify right side
    2,315,123.84x = 4,928,332,270,289.38
  5. Step 5: Solve for x
    x = 4,928,332,270,289.38/2,315,123.84
  6. Step 6: Final answer
    x = 2,128,755.35

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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.