Home / 3,315,124.20-4,968,020.70-2,455,487.40

Finding the Fourth Proportional to 3,315,124.20, 4,968,020.70 and 2,455,487.40

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Solution

The fourth proportional to 3,315,124.20, 4,968,020.70 and 2,455,487.40 is: 3,679,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315,124.20 : 4,968,020.70 = 2,455,487.40 : x
  2. Step 2: Convert to fraction form
    3,315,124.20/4,968,020.70 = 2,455,487.40/x
  3. Step 3: Cross multiply
    3,315,124.20x = 4,968,020.70 × 2,455,487.40
  4. Step 4: Simplify right side
    3,315,124.20x = 12,198,912,231,789.18
  5. Step 5: Solve for x
    x = 12,198,912,231,789.18/3,315,124.20
  6. Step 6: Final answer
    x = 3,679,775.33

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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.