Home / 3,500,445.60-5,240,170.80-2,079,770.40

Finding the Fourth Proportional to 3,500,445.60, 5,240,170.80 and 2,079,770.40

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Solution

The fourth proportional to 3,500,445.60, 5,240,170.80 and 2,079,770.40 is: 3,113,418.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,500,445.60 : 5,240,170.80 = 2,079,770.40 : x
  2. Step 2: Convert to fraction form
    3,500,445.60/5,240,170.80 = 2,079,770.40/x
  3. Step 3: Cross multiply
    3,500,445.60x = 5,240,170.80 × 2,079,770.40
  4. Step 4: Simplify right side
    3,500,445.60x = 10,898,352,120,784.32
  5. Step 5: Solve for x
    x = 10,898,352,120,784.32/3,500,445.60
  6. Step 6: Final answer
    x = 3,113,418.51

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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.