Home / 3,979,884.12-5,969,242.95-1,957,585.20

Finding the Fourth Proportional to 3,979,884.12, 5,969,242.95 and 1,957,585.20

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Solution

The fourth proportional to 3,979,884.12, 5,969,242.95 and 1,957,585.20 is: 2,936,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,884.12 : 5,969,242.95 = 1,957,585.20 : x
  2. Step 2: Convert to fraction form
    3,979,884.12/5,969,242.95 = 1,957,585.20/x
  3. Step 3: Cross multiply
    3,979,884.12x = 5,969,242.95 × 1,957,585.20
  4. Step 4: Simplify right side
    3,979,884.12x = 11,685,301,654,124.34
  5. Step 5: Solve for x
    x = 11,685,301,654,124.34/3,979,884.12
  6. Step 6: Final answer
    x = 2,936,090.93

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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.