Home / 2,186,401.20-3,280,984.20-1,287,841.20

Finding the Fourth Proportional to 2,186,401.20, 3,280,984.20 and 1,287,841.20

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Solution

The fourth proportional to 2,186,401.20, 3,280,984.20 and 1,287,841.20 is: 1,932,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,401.20 : 3,280,984.20 = 1,287,841.20 : x
  2. Step 2: Convert to fraction form
    2,186,401.20/3,280,984.20 = 1,287,841.20/x
  3. Step 3: Cross multiply
    2,186,401.20x = 3,280,984.20 × 1,287,841.20
  4. Step 4: Simplify right side
    2,186,401.20x = 4,225,386,629,309.04
  5. Step 5: Solve for x
    x = 4,225,386,629,309.04/2,186,401.20
  6. Step 6: Final answer
    x = 1,932,576.07

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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.