Home / 3,320,672.40-4,981,008.60-1,190,971.80

Finding the Fourth Proportional to 3,320,672.40, 4,981,008.60 and 1,190,971.80

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Solution

The fourth proportional to 3,320,672.40, 4,981,008.60 and 1,190,971.80 is: 1,786,457.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,672.40 : 4,981,008.60 = 1,190,971.80 : x
  2. Step 2: Convert to fraction form
    3,320,672.40/4,981,008.60 = 1,190,971.80/x
  3. Step 3: Cross multiply
    3,320,672.40x = 4,981,008.60 × 1,190,971.80
  4. Step 4: Simplify right side
    3,320,672.40x = 5,932,240,778,157.48
  5. Step 5: Solve for x
    x = 5,932,240,778,157.48/3,320,672.40
  6. Step 6: Final answer
    x = 1,786,457.70

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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.