Home / 3,280,655.20-4,920,982.80-2,749,813.60

Finding the Fourth Proportional to 3,280,655.20, 4,920,982.80 and 2,749,813.60

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Solution

The fourth proportional to 3,280,655.20, 4,920,982.80 and 2,749,813.60 is: 4,124,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,655.20 : 4,920,982.80 = 2,749,813.60 : x
  2. Step 2: Convert to fraction form
    3,280,655.20/4,920,982.80 = 2,749,813.60/x
  3. Step 3: Cross multiply
    3,280,655.20x = 4,920,982.80 × 2,749,813.60
  4. Step 4: Simplify right side
    3,280,655.20x = 13,531,785,428,806.08
  5. Step 5: Solve for x
    x = 13,531,785,428,806.08/3,280,655.20
  6. Step 6: Final answer
    x = 4,124,720.40

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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.