Home / 3,947,876.40-5,924,579.40-2,531,377.20

Finding the Fourth Proportional to 3,947,876.40, 5,924,579.40 and 2,531,377.20

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Solution

The fourth proportional to 3,947,876.40, 5,924,579.40 and 2,531,377.20 is: 3,798,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947,876.40 : 5,924,579.40 = 2,531,377.20 : x
  2. Step 2: Convert to fraction form
    3,947,876.40/5,924,579.40 = 2,531,377.20/x
  3. Step 3: Cross multiply
    3,947,876.40x = 5,924,579.40 × 2,531,377.20
  4. Step 4: Simplify right side
    3,947,876.40x = 14,997,345,212,749.68
  5. Step 5: Solve for x
    x = 14,997,345,212,749.68/3,947,876.40
  6. Step 6: Final answer
    x = 3,798,838.59

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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.