Home / 3,280,506.10-4,920,759.15-2,005,047.70

Finding the Fourth Proportional to 3,280,506.10, 4,920,759.15 and 2,005,047.70

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Solution

The fourth proportional to 3,280,506.10, 4,920,759.15 and 2,005,047.70 is: 3,007,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,506.10 : 4,920,759.15 = 2,005,047.70 : x
  2. Step 2: Convert to fraction form
    3,280,506.10/4,920,759.15 = 2,005,047.70/x
  3. Step 3: Cross multiply
    3,280,506.10x = 4,920,759.15 × 2,005,047.70
  4. Step 4: Simplify right side
    3,280,506.10x = 9,866,356,815,961.46
  5. Step 5: Solve for x
    x = 9,866,356,815,961.46/3,280,506.10
  6. Step 6: Final answer
    x = 3,007,571.55

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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.