Home / 2,772,034.90-4,158,052.35-1,921,729.30

Finding the Fourth Proportional to 2,772,034.90, 4,158,052.35 and 1,921,729.30

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Solution

The fourth proportional to 2,772,034.90, 4,158,052.35 and 1,921,729.30 is: 2,882,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,034.90 : 4,158,052.35 = 1,921,729.30 : x
  2. Step 2: Convert to fraction form
    2,772,034.90/4,158,052.35 = 1,921,729.30/x
  3. Step 3: Cross multiply
    2,772,034.90x = 4,158,052.35 × 1,921,729.30
  4. Step 4: Simplify right side
    2,772,034.90x = 7,990,651,031,928.86
  5. Step 5: Solve for x
    x = 7,990,651,031,928.86/2,772,034.90
  6. Step 6: Final answer
    x = 2,882,593.95

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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.