Home / 3,191,433.20-4,403,575.28-1,902,393.84

Finding the Fourth Proportional to 3,191,433.20, 4,403,575.28 and 1,902,393.84

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Solution

The fourth proportional to 3,191,433.20, 4,403,575.28 and 1,902,393.84 is: 2,624,944.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,433.20 : 4,403,575.28 = 1,902,393.84 : x
  2. Step 2: Convert to fraction form
    3,191,433.20/4,403,575.28 = 1,902,393.84/x
  3. Step 3: Cross multiply
    3,191,433.20x = 4,403,575.28 × 1,902,393.84
  4. Step 4: Simplify right side
    3,191,433.20x = 8,377,334,486,648.28
  5. Step 5: Solve for x
    x = 8,377,334,486,648.28/3,191,433.20
  6. Step 6: Final answer
    x = 2,624,944.33

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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.