Home / 4,921,012.20-7,381,518.30-4,236,043.80

Finding the Fourth Proportional to 4,921,012.20, 7,381,518.30 and 4,236,043.80

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Solution

The fourth proportional to 4,921,012.20, 7,381,518.30 and 4,236,043.80 is: 6,354,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,012.20 : 7,381,518.30 = 4,236,043.80 : x
  2. Step 2: Convert to fraction form
    4,921,012.20/7,381,518.30 = 4,236,043.80/x
  3. Step 3: Cross multiply
    4,921,012.20x = 7,381,518.30 × 4,236,043.80
  4. Step 4: Simplify right side
    4,921,012.20x = 31,268,434,829,301.54
  5. Step 5: Solve for x
    x = 31,268,434,829,301.54/4,921,012.20
  6. Step 6: Final answer
    x = 6,354,065.70

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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.