Home / 3,829,034.40-5,743,551.60-2,128,423.20

Finding the Fourth Proportional to 3,829,034.40, 5,743,551.60 and 2,128,423.20

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Solution

The fourth proportional to 3,829,034.40, 5,743,551.60 and 2,128,423.20 is: 3,192,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,829,034.40 : 5,743,551.60 = 2,128,423.20 : x
  2. Step 2: Convert to fraction form
    3,829,034.40/5,743,551.60 = 2,128,423.20/x
  3. Step 3: Cross multiply
    3,829,034.40x = 5,743,551.60 × 2,128,423.20
  4. Step 4: Simplify right side
    3,829,034.40x = 12,224,708,475,837.12
  5. Step 5: Solve for x
    x = 12,224,708,475,837.12/3,829,034.40
  6. Step 6: Final answer
    x = 3,192,634.80

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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.