Home / 3,148,793.20-4,722,023.40-1,018,946.80

Finding the Fourth Proportional to 3,148,793.20, 4,722,023.40 and 1,018,946.80

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Solution

The fourth proportional to 3,148,793.20, 4,722,023.40 and 1,018,946.80 is: 1,528,042.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,148,793.20 : 4,722,023.40 = 1,018,946.80 : x
  2. Step 2: Convert to fraction form
    3,148,793.20/4,722,023.40 = 1,018,946.80/x
  3. Step 3: Cross multiply
    3,148,793.20x = 4,722,023.40 × 1,018,946.80
  4. Step 4: Simplify right side
    3,148,793.20x = 4,811,490,632,955.12
  5. Step 5: Solve for x
    x = 4,811,490,632,955.12/3,148,793.20
  6. Step 6: Final answer
    x = 1,528,042.75

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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.