Home / 3,835,913.12-5,753,872.56-1,311,587.36

Finding the Fourth Proportional to 3,835,913.12, 5,753,872.56 and 1,311,587.36

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Solution

The fourth proportional to 3,835,913.12, 5,753,872.56 and 1,311,587.36 is: 1,967,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835,913.12 : 5,753,872.56 = 1,311,587.36 : x
  2. Step 2: Convert to fraction form
    3,835,913.12/5,753,872.56 = 1,311,587.36/x
  3. Step 3: Cross multiply
    3,835,913.12x = 5,753,872.56 × 1,311,587.36
  4. Step 4: Simplify right side
    3,835,913.12x = 7,546,706,520,746.84
  5. Step 5: Solve for x
    x = 7,546,706,520,746.84/3,835,913.12
  6. Step 6: Final answer
    x = 1,967,382.02

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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.