Home / 2,070,947.20-3,103,504.80-1,645,211.20

Finding the Fourth Proportional to 2,070,947.20, 3,103,504.80 and 1,645,211.20

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Solution

The fourth proportional to 2,070,947.20, 3,103,504.80 and 1,645,211.20 is: 2,465,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,947.20 : 3,103,504.80 = 1,645,211.20 : x
  2. Step 2: Convert to fraction form
    2,070,947.20/3,103,504.80 = 1,645,211.20/x
  3. Step 3: Cross multiply
    2,070,947.20x = 3,103,504.80 × 1,645,211.20
  4. Step 4: Simplify right side
    2,070,947.20x = 5,105,920,856,213.76
  5. Step 5: Solve for x
    x = 5,105,920,856,213.76/2,070,947.20
  6. Step 6: Final answer
    x = 2,465,500.26

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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.