Home / 3,984,838.20-5,979,006.90-1,853,825.40

Finding the Fourth Proportional to 3,984,838.20, 5,979,006.90 and 1,853,825.40

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Solution

The fourth proportional to 3,984,838.20, 5,979,006.90 and 1,853,825.40 is: 2,781,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984,838.20 : 5,979,006.90 = 1,853,825.40 : x
  2. Step 2: Convert to fraction form
    3,984,838.20/5,979,006.90 = 1,853,825.40/x
  3. Step 3: Cross multiply
    3,984,838.20x = 5,979,006.90 × 1,853,825.40
  4. Step 4: Simplify right side
    3,984,838.20x = 11,084,034,857,995.26
  5. Step 5: Solve for x
    x = 11,084,034,857,995.26/3,984,838.20
  6. Step 6: Final answer
    x = 2,781,552.05

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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.