Home / 2,128,234.40-3,194,425.20-1,064,477.60

Finding the Fourth Proportional to 2,128,234.40, 3,194,425.20 and 1,064,477.60

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Solution

The fourth proportional to 2,128,234.40, 3,194,425.20 and 1,064,477.60 is: 1,597,753.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,234.40 : 3,194,425.20 = 1,064,477.60 : x
  2. Step 2: Convert to fraction form
    2,128,234.40/3,194,425.20 = 1,064,477.60/x
  3. Step 3: Cross multiply
    2,128,234.40x = 3,194,425.20 × 1,064,477.60
  4. Step 4: Simplify right side
    2,128,234.40x = 3,400,394,070,275.52
  5. Step 5: Solve for x
    x = 3,400,394,070,275.52/2,128,234.40
  6. Step 6: Final answer
    x = 1,597,753.55

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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.