Home / 3,280,506.20-4,920,759.30-3,170,281.40

Finding the Fourth Proportional to 3,280,506.20, 4,920,759.30 and 3,170,281.40

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Solution

The fourth proportional to 3,280,506.20, 4,920,759.30 and 3,170,281.40 is: 4,755,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,506.20 : 4,920,759.30 = 3,170,281.40 : x
  2. Step 2: Convert to fraction form
    3,280,506.20/4,920,759.30 = 3,170,281.40/x
  3. Step 3: Cross multiply
    3,280,506.20x = 4,920,759.30 × 3,170,281.40
  4. Step 4: Simplify right side
    3,280,506.20x = 15,600,191,682,667.02
  5. Step 5: Solve for x
    x = 15,600,191,682,667.02/3,280,506.20
  6. Step 6: Final answer
    x = 4,755,422.10

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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.