Home / 3,280,312.80-4,520,113.20-2,419,509.60

Finding the Fourth Proportional to 3,280,312.80, 4,520,113.20 and 2,419,509.60

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Solution

The fourth proportional to 3,280,312.80, 4,520,113.20 and 2,419,509.60 is: 3,333,967.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,312.80 : 4,520,113.20 = 2,419,509.60 : x
  2. Step 2: Convert to fraction form
    3,280,312.80/4,520,113.20 = 2,419,509.60/x
  3. Step 3: Cross multiply
    3,280,312.80x = 4,520,113.20 × 2,419,509.60
  4. Step 4: Simplify right side
    3,280,312.80x = 10,936,457,280,486.72
  5. Step 5: Solve for x
    x = 10,936,457,280,486.72/3,280,312.80
  6. Step 6: Final answer
    x = 3,333,967.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.