Home / 1,768,105.60-2,649,035.20-1,709,635.20

Finding the Fourth Proportional to 1,768,105.60, 2,649,035.20 and 1,709,635.20

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Solution

The fourth proportional to 1,768,105.60, 2,649,035.20 and 1,709,635.20 is: 2,561,432.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768,105.60 : 2,649,035.20 = 1,709,635.20 : x
  2. Step 2: Convert to fraction form
    1,768,105.60/2,649,035.20 = 1,709,635.20/x
  3. Step 3: Cross multiply
    1,768,105.60x = 2,649,035.20 × 1,709,635.20
  4. Step 4: Simplify right side
    1,768,105.60x = 4,528,883,823,959.04
  5. Step 5: Solve for x
    x = 4,528,883,823,959.04/1,768,105.60
  6. Step 6: Final answer
    x = 2,561,432.88

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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.