Home / 1,924,991.20-2,887,486.80-1,327,794.40

Finding the Fourth Proportional to 1,924,991.20, 2,887,486.80 and 1,327,794.40

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Solution

The fourth proportional to 1,924,991.20, 2,887,486.80 and 1,327,794.40 is: 1,991,691.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924,991.20 : 2,887,486.80 = 1,327,794.40 : x
  2. Step 2: Convert to fraction form
    1,924,991.20/2,887,486.80 = 1,327,794.40/x
  3. Step 3: Cross multiply
    1,924,991.20x = 2,887,486.80 × 1,327,794.40
  4. Step 4: Simplify right side
    1,924,991.20x = 3,833,988,803,113.92
  5. Step 5: Solve for x
    x = 3,833,988,803,113.92/1,924,991.20
  6. Step 6: Final answer
    x = 1,991,691.60

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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.