Home / 2,236,211.20-3,354,316.80-2,120,737.60

Finding the Fourth Proportional to 2,236,211.20, 3,354,316.80 and 2,120,737.60

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Solution

The fourth proportional to 2,236,211.20, 3,354,316.80 and 2,120,737.60 is: 3,181,106.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,236,211.20 : 3,354,316.80 = 2,120,737.60 : x
  2. Step 2: Convert to fraction form
    2,236,211.20/3,354,316.80 = 2,120,737.60/x
  3. Step 3: Cross multiply
    2,236,211.20x = 3,354,316.80 × 2,120,737.60
  4. Step 4: Simplify right side
    2,236,211.20x = 7,113,625,760,071.68
  5. Step 5: Solve for x
    x = 7,113,625,760,071.68/2,236,211.20
  6. Step 6: Final answer
    x = 3,181,106.40

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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.