Home / 3,369,729.09-4,649,581.11-1,919,392.77

Finding the Fourth Proportional to 3,369,729.09, 4,649,581.11 and 1,919,392.77

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Solution

The fourth proportional to 3,369,729.09, 4,649,581.11 and 1,919,392.77 is: 2,648,394.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,369,729.09 : 4,649,581.11 = 1,919,392.77 : x
  2. Step 2: Convert to fraction form
    3,369,729.09/4,649,581.11 = 1,919,392.77/x
  3. Step 3: Cross multiply
    3,369,729.09x = 4,649,581.11 × 1,919,392.77
  4. Step 4: Simplify right side
    3,369,729.09x = 8,924,372,366,062.58
  5. Step 5: Solve for x
    x = 8,924,372,366,062.58/3,369,729.09
  6. Step 6: Final answer
    x = 2,648,394.61

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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.