Home / 3,907,970.80-5,861,956.20-3,236,124.40

Finding the Fourth Proportional to 3,907,970.80, 5,861,956.20 and 3,236,124.40

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Solution

The fourth proportional to 3,907,970.80, 5,861,956.20 and 3,236,124.40 is: 4,854,186.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907,970.80 : 5,861,956.20 = 3,236,124.40 : x
  2. Step 2: Convert to fraction form
    3,907,970.80/5,861,956.20 = 3,236,124.40/x
  3. Step 3: Cross multiply
    3,907,970.80x = 5,861,956.20 × 3,236,124.40
  4. Step 4: Simplify right side
    3,907,970.80x = 18,970,019,490,551.28
  5. Step 5: Solve for x
    x = 18,970,019,490,551.28/3,907,970.80
  6. Step 6: Final answer
    x = 4,854,186.60

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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.