Home / 2,138,882.20-3,208,323.30-718,466.20

Finding the Fourth Proportional to 2,138,882.20, 3,208,323.30 and 718,466.20

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Solution

The fourth proportional to 2,138,882.20, 3,208,323.30 and 718,466.20 is: 1,077,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,882.20 : 3,208,323.30 = 718,466.20 : x
  2. Step 2: Convert to fraction form
    2,138,882.20/3,208,323.30 = 718,466.20/x
  3. Step 3: Cross multiply
    2,138,882.20x = 3,208,323.30 × 718,466.20
  4. Step 4: Simplify right side
    2,138,882.20x = 2,305,071,849,722.46
  5. Step 5: Solve for x
    x = 2,305,071,849,722.46/2,138,882.20
  6. Step 6: Final answer
    x = 1,077,699.30

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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.