Home / 3,520,405.20-5,273,609.40-1,920,104.40

Finding the Fourth Proportional to 3,520,405.20, 5,273,609.40 and 1,920,104.40

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Solution

The fourth proportional to 3,520,405.20, 5,273,609.40 and 1,920,104.40 is: 2,876,339.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,520,405.20 : 5,273,609.40 = 1,920,104.40 : x
  2. Step 2: Convert to fraction form
    3,520,405.20/5,273,609.40 = 1,920,104.40/x
  3. Step 3: Cross multiply
    3,520,405.20x = 5,273,609.40 × 1,920,104.40
  4. Step 4: Simplify right side
    3,520,405.20x = 10,125,880,612,821.36
  5. Step 5: Solve for x
    x = 10,125,880,612,821.36/3,520,405.20
  6. Step 6: Final answer
    x = 2,876,339.52

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1.5x scale

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.