Home / 2,680,635.20-4,020,175.20-974,580.80

Finding the Fourth Proportional to 2,680,635.20, 4,020,175.20 and 974,580.80

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Solution

The fourth proportional to 2,680,635.20, 4,020,175.20 and 974,580.80 is: 1,461,588.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,635.20 : 4,020,175.20 = 974,580.80 : x
  2. Step 2: Convert to fraction form
    2,680,635.20/4,020,175.20 = 974,580.80/x
  3. Step 3: Cross multiply
    2,680,635.20x = 4,020,175.20 × 974,580.80
  4. Step 4: Simplify right side
    2,680,635.20x = 3,917,985,562,556.16
  5. Step 5: Solve for x
    x = 3,917,985,562,556.16/2,680,635.20
  6. Step 6: Final answer
    x = 1,461,588.49

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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.