Home / 2,630,521.28-3,943,449.12-1,281,929.60

Finding the Fourth Proportional to 2,630,521.28, 3,943,449.12 and 1,281,929.60

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Solution

The fourth proportional to 2,630,521.28, 3,943,449.12 and 1,281,929.60 is: 1,921,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,630,521.28 : 3,943,449.12 = 1,281,929.60 : x
  2. Step 2: Convert to fraction form
    2,630,521.28/3,943,449.12 = 1,281,929.60/x
  3. Step 3: Cross multiply
    2,630,521.28x = 3,943,449.12 × 1,281,929.60
  4. Step 4: Simplify right side
    2,630,521.28x = 5,055,224,153,021.95
  5. Step 5: Solve for x
    x = 5,055,224,153,021.95/2,630,521.28
  6. Step 6: Final answer
    x = 1,921,757.56

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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.