Home / 1,617,031.20-2,420,881.20-1,449,069.60

Finding the Fourth Proportional to 1,617,031.20, 2,420,881.20 and 1,449,069.60

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Solution

The fourth proportional to 1,617,031.20, 2,420,881.20 and 1,449,069.60 is: 2,169,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,031.20 : 2,420,881.20 = 1,449,069.60 : x
  2. Step 2: Convert to fraction form
    1,617,031.20/2,420,881.20 = 1,449,069.60/x
  3. Step 3: Cross multiply
    1,617,031.20x = 2,420,881.20 × 1,449,069.60
  4. Step 4: Simplify right side
    1,617,031.20x = 3,508,025,352,131.52
  5. Step 5: Solve for x
    x = 3,508,025,352,131.52/1,617,031.20
  6. Step 6: Final answer
    x = 2,169,423.42

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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.