Home / 3,100,706.60-4,640,000.70-2,149,615.40

Finding the Fourth Proportional to 3,100,706.60, 4,640,000.70 and 2,149,615.40

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Solution

The fourth proportional to 3,100,706.60, 4,640,000.70 and 2,149,615.40 is: 3,216,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,706.60 : 4,640,000.70 = 2,149,615.40 : x
  2. Step 2: Convert to fraction form
    3,100,706.60/4,640,000.70 = 2,149,615.40/x
  3. Step 3: Cross multiply
    3,100,706.60x = 4,640,000.70 × 2,149,615.40
  4. Step 4: Simplify right side
    3,100,706.60x = 9,974,216,960,730.78
  5. Step 5: Solve for x
    x = 9,974,216,960,730.78/3,100,706.60
  6. Step 6: Final answer
    x = 3,216,756.13

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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.