Home / 3,883,291.28-5,358,966.88-2,164,520.80

Finding the Fourth Proportional to 3,883,291.28, 5,358,966.88 and 2,164,520.80

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Solution

The fourth proportional to 3,883,291.28, 5,358,966.88 and 2,164,520.80 is: 2,987,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883,291.28 : 5,358,966.88 = 2,164,520.80 : x
  2. Step 2: Convert to fraction form
    3,883,291.28/5,358,966.88 = 2,164,520.80/x
  3. Step 3: Cross multiply
    3,883,291.28x = 5,358,966.88 × 2,164,520.80
  4. Step 4: Simplify right side
    3,883,291.28x = 11,599,595,278,271.10
  5. Step 5: Solve for x
    x = 11,599,595,278,271.10/3,883,291.28
  6. Step 6: Final answer
    x = 2,987,052.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.