Home / 2,712,302.40-4,073,119.20-1,919,150.40

Finding the Fourth Proportional to 2,712,302.40, 4,073,119.20 and 1,919,150.40

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Solution

The fourth proportional to 2,712,302.40, 4,073,119.20 and 1,919,150.40 is: 2,882,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,302.40 : 4,073,119.20 = 1,919,150.40 : x
  2. Step 2: Convert to fraction form
    2,712,302.40/4,073,119.20 = 1,919,150.40/x
  3. Step 3: Cross multiply
    2,712,302.40x = 4,073,119.20 × 1,919,150.40
  4. Step 4: Simplify right side
    2,712,302.40x = 7,816,928,341,927.68
  5. Step 5: Solve for x
    x = 7,816,928,341,927.68/2,712,302.40
  6. Step 6: Final answer
    x = 2,882,026.85

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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.