Home / 2,687,812.20-4,031,718.30-2,393,879.40

Finding the Fourth Proportional to 2,687,812.20, 4,031,718.30 and 2,393,879.40

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Solution

The fourth proportional to 2,687,812.20, 4,031,718.30 and 2,393,879.40 is: 3,590,819.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,812.20 : 4,031,718.30 = 2,393,879.40 : x
  2. Step 2: Convert to fraction form
    2,687,812.20/4,031,718.30 = 2,393,879.40/x
  3. Step 3: Cross multiply
    2,687,812.20x = 4,031,718.30 × 2,393,879.40
  4. Step 4: Simplify right side
    2,687,812.20x = 9,651,447,384,973.02
  5. Step 5: Solve for x
    x = 9,651,447,384,973.02/2,687,812.20
  6. Step 6: Final answer
    x = 3,590,819.10

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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.