Home / 2,079,881.76-3,119,823.60-750,185.76

Finding the Fourth Proportional to 2,079,881.76, 3,119,823.60 and 750,185.76

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Solution

The fourth proportional to 2,079,881.76, 3,119,823.60 and 750,185.76 is: 1,125,278.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,881.76 : 3,119,823.60 = 750,185.76 : x
  2. Step 2: Convert to fraction form
    2,079,881.76/3,119,823.60 = 750,185.76/x
  3. Step 3: Cross multiply
    2,079,881.76x = 3,119,823.60 × 750,185.76
  4. Step 4: Simplify right side
    2,079,881.76x = 2,340,447,238,431.94
  5. Step 5: Solve for x
    x = 2,340,447,238,431.94/2,079,881.76
  6. Step 6: Final answer
    x = 1,125,278.99

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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.