Home / 2,959,972.64-4,081,357.20-2,186,722.32

Finding the Fourth Proportional to 2,959,972.64, 4,081,357.20 and 2,186,722.32

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Solution

The fourth proportional to 2,959,972.64, 4,081,357.20 and 2,186,722.32 is: 3,015,161.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959,972.64 : 4,081,357.20 = 2,186,722.32 : x
  2. Step 2: Convert to fraction form
    2,959,972.64/4,081,357.20 = 2,186,722.32/x
  3. Step 3: Cross multiply
    2,959,972.64x = 4,081,357.20 × 2,186,722.32
  4. Step 4: Simplify right side
    2,959,972.64x = 8,924,794,885,132.70
  5. Step 5: Solve for x
    x = 8,924,794,885,132.70/2,959,972.64
  6. Step 6: Final answer
    x = 3,015,161.28

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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.