Home / 2,912,381.59-4,370,540.70-1,019,139.43

Finding the Fourth Proportional to 2,912,381.59, 4,370,540.70 and 1,019,139.43

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Solution

The fourth proportional to 2,912,381.59, 4,370,540.70 and 1,019,139.43 is: 1,529,397.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,381.59 : 4,370,540.70 = 1,019,139.43 : x
  2. Step 2: Convert to fraction form
    2,912,381.59/4,370,540.70 = 1,019,139.43/x
  3. Step 3: Cross multiply
    2,912,381.59x = 4,370,540.70 × 1,019,139.43
  4. Step 4: Simplify right side
    2,912,381.59x = 4,454,190,357,789.80
  5. Step 5: Solve for x
    x = 4,454,190,357,789.80/2,912,381.59
  6. Step 6: Final answer
    x = 1,529,397.92

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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.