Home / 2,100,528.40-3,150,792.60-680,630.80

Finding the Fourth Proportional to 2,100,528.40, 3,150,792.60 and 680,630.80

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Solution

The fourth proportional to 2,100,528.40, 3,150,792.60 and 680,630.80 is: 1,020,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,100,528.40 : 3,150,792.60 = 680,630.80 : x
  2. Step 2: Convert to fraction form
    2,100,528.40/3,150,792.60 = 680,630.80/x
  3. Step 3: Cross multiply
    2,100,528.40x = 3,150,792.60 × 680,630.80
  4. Step 4: Simplify right side
    2,100,528.40x = 2,144,526,487,972.08
  5. Step 5: Solve for x
    x = 2,144,526,487,972.08/2,100,528.40
  6. Step 6: Final answer
    x = 1,020,946.20

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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.