Home / 2,171,275.20-3,256,912.80-1,499,428.80

Finding the Fourth Proportional to 2,171,275.20, 3,256,912.80 and 1,499,428.80

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Solution

The fourth proportional to 2,171,275.20, 3,256,912.80 and 1,499,428.80 is: 2,249,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,275.20 : 3,256,912.80 = 1,499,428.80 : x
  2. Step 2: Convert to fraction form
    2,171,275.20/3,256,912.80 = 1,499,428.80/x
  3. Step 3: Cross multiply
    2,171,275.20x = 3,256,912.80 × 1,499,428.80
  4. Step 4: Simplify right side
    2,171,275.20x = 4,883,508,851,408.64
  5. Step 5: Solve for x
    x = 4,883,508,851,408.64/2,171,275.20
  6. Step 6: Final answer
    x = 2,249,143.20

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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.