Home / 2,752,156.80-4,128,235.20-2,080,310.40

Finding the Fourth Proportional to 2,752,156.80, 4,128,235.20 and 2,080,310.40

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Solution

The fourth proportional to 2,752,156.80, 4,128,235.20 and 2,080,310.40 is: 3,120,465.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,156.80 : 4,128,235.20 = 2,080,310.40 : x
  2. Step 2: Convert to fraction form
    2,752,156.80/4,128,235.20 = 2,080,310.40/x
  3. Step 3: Cross multiply
    2,752,156.80x = 4,128,235.20 × 2,080,310.40
  4. Step 4: Simplify right side
    2,752,156.80x = 8,588,010,620,206.08
  5. Step 5: Solve for x
    x = 8,588,010,620,206.08/2,752,156.80
  6. Step 6: Final answer
    x = 3,120,465.60

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1.5x scale

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.