Home / 3,010,857.60-4,155,201.60-1,990,492.80

Finding the Fourth Proportional to 3,010,857.60, 4,155,201.60 and 1,990,492.80

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Solution

The fourth proportional to 3,010,857.60, 4,155,201.60 and 1,990,492.80 is: 2,747,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,010,857.60 : 4,155,201.60 = 1,990,492.80 : x
  2. Step 2: Convert to fraction form
    3,010,857.60/4,155,201.60 = 1,990,492.80/x
  3. Step 3: Cross multiply
    3,010,857.60x = 4,155,201.60 × 1,990,492.80
  4. Step 4: Simplify right side
    3,010,857.60x = 8,270,898,867,348.48
  5. Step 5: Solve for x
    x = 8,270,898,867,348.48/3,010,857.60
  6. Step 6: Final answer
    x = 2,747,024.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.