Home / 2,945,634.12-4,418,444.16-815,711.58

Finding the Fourth Proportional to 2,945,634.12, 4,418,444.16 and 815,711.58

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Solution

The fourth proportional to 2,945,634.12, 4,418,444.16 and 815,711.58 is: 1,223,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945,634.12 : 4,418,444.16 = 815,711.58 : x
  2. Step 2: Convert to fraction form
    2,945,634.12/4,418,444.16 = 815,711.58/x
  3. Step 3: Cross multiply
    2,945,634.12x = 4,418,444.16 × 815,711.58
  4. Step 4: Simplify right side
    2,945,634.12x = 3,604,176,066,895.37
  5. Step 5: Solve for x
    x = 3,604,176,066,895.37/2,945,634.12
  6. Step 6: Final answer
    x = 1,223,565.43

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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.