Home / 2,279,004.30-3,418,506.45-930,281.40

Finding the Fourth Proportional to 2,279,004.30, 3,418,506.45 and 930,281.40

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Solution

The fourth proportional to 2,279,004.30, 3,418,506.45 and 930,281.40 is: 1,395,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279,004.30 : 3,418,506.45 = 930,281.40 : x
  2. Step 2: Convert to fraction form
    2,279,004.30/3,418,506.45 = 930,281.40/x
  3. Step 3: Cross multiply
    2,279,004.30x = 3,418,506.45 × 930,281.40
  4. Step 4: Simplify right side
    2,279,004.30x = 3,180,172,966,215.03
  5. Step 5: Solve for x
    x = 3,180,172,966,215.03/2,279,004.30
  6. Step 6: Final answer
    x = 1,395,422.10

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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.