Home / 3,921,421.20-5,872,800.60-2,409,766.80

Finding the Fourth Proportional to 3,921,421.20, 5,872,800.60 and 2,409,766.80

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Solution

The fourth proportional to 3,921,421.20, 5,872,800.60 and 2,409,766.80 is: 3,608,916.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921,421.20 : 5,872,800.60 = 2,409,766.80 : x
  2. Step 2: Convert to fraction form
    3,921,421.20/5,872,800.60 = 2,409,766.80/x
  3. Step 3: Cross multiply
    3,921,421.20x = 5,872,800.60 × 2,409,766.80
  4. Step 4: Simplify right side
    3,921,421.20x = 14,152,079,908,900.08
  5. Step 5: Solve for x
    x = 14,152,079,908,900.08/3,921,421.20
  6. Step 6: Final answer
    x = 3,608,916.05

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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.