Home / 3,119,342.40-4,680,568.80-1,772,539.20

Finding the Fourth Proportional to 3,119,342.40, 4,680,568.80 and 1,772,539.20

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Solution

The fourth proportional to 3,119,342.40, 4,680,568.80 and 1,772,539.20 is: 2,659,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,342.40 : 4,680,568.80 = 1,772,539.20 : x
  2. Step 2: Convert to fraction form
    3,119,342.40/4,680,568.80 = 1,772,539.20/x
  3. Step 3: Cross multiply
    3,119,342.40x = 4,680,568.80 × 1,772,539.20
  4. Step 4: Simplify right side
    3,119,342.40x = 8,296,491,676,296.96
  5. Step 5: Solve for x
    x = 8,296,491,676,296.96/3,119,342.40
  6. Step 6: Final answer
    x = 2,659,692.53

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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.