Home / 2,758,932.40-4,138,528.20-865,735.60

Finding the Fourth Proportional to 2,758,932.40, 4,138,528.20 and 865,735.60

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Solution

The fourth proportional to 2,758,932.40, 4,138,528.20 and 865,735.60 is: 1,298,644.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,932.40 : 4,138,528.20 = 865,735.60 : x
  2. Step 2: Convert to fraction form
    2,758,932.40/4,138,528.20 = 865,735.60/x
  3. Step 3: Cross multiply
    2,758,932.40x = 4,138,528.20 × 865,735.60
  4. Step 4: Simplify right side
    2,758,932.40x = 3,582,871,194,343.92
  5. Step 5: Solve for x
    x = 3,582,871,194,343.92/2,758,932.40
  6. Step 6: Final answer
    x = 1,298,644.07

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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.