Home / 1,970,825.76-2,719,747.06-1,099,697.18

Finding the Fourth Proportional to 1,970,825.76, 2,719,747.06 and 1,099,697.18

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Solution

The fourth proportional to 1,970,825.76, 2,719,747.06 and 1,099,697.18 is: 1,517,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,825.76 : 2,719,747.06 = 1,099,697.18 : x
  2. Step 2: Convert to fraction form
    1,970,825.76/2,719,747.06 = 1,099,697.18/x
  3. Step 3: Cross multiply
    1,970,825.76x = 2,719,747.06 × 1,099,697.18
  4. Step 4: Simplify right side
    1,970,825.76x = 2,990,898,155,847.31
  5. Step 5: Solve for x
    x = 2,990,898,155,847.31/1,970,825.76
  6. Step 6: Final answer
    x = 1,517,586.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.