Home / 2,074,215.40-3,111,323.10-1,719,921.40

Finding the Fourth Proportional to 2,074,215.40, 3,111,323.10 and 1,719,921.40

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Solution

The fourth proportional to 2,074,215.40, 3,111,323.10 and 1,719,921.40 is: 2,579,882.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,215.40 : 3,111,323.10 = 1,719,921.40 : x
  2. Step 2: Convert to fraction form
    2,074,215.40/3,111,323.10 = 1,719,921.40/x
  3. Step 3: Cross multiply
    2,074,215.40x = 3,111,323.10 × 1,719,921.40
  4. Step 4: Simplify right side
    2,074,215.40x = 5,351,231,182,004.34
  5. Step 5: Solve for x
    x = 5,351,231,182,004.34/2,074,215.40
  6. Step 6: Final answer
    x = 2,579,882.10

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Similar ratio
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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.