Home / 1,838,127.60-2,757,191.40-1,330,306.20

Finding the Fourth Proportional to 1,838,127.60, 2,757,191.40 and 1,330,306.20

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Solution

The fourth proportional to 1,838,127.60, 2,757,191.40 and 1,330,306.20 is: 1,995,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838,127.60 : 2,757,191.40 = 1,330,306.20 : x
  2. Step 2: Convert to fraction form
    1,838,127.60/2,757,191.40 = 1,330,306.20/x
  3. Step 3: Cross multiply
    1,838,127.60x = 2,757,191.40 × 1,330,306.20
  4. Step 4: Simplify right side
    1,838,127.60x = 3,667,908,814,006.68
  5. Step 5: Solve for x
    x = 3,667,908,814,006.68/1,838,127.60
  6. Step 6: Final answer
    x = 1,995,459.30

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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.