Home / 2,518,971.28-3,776,219.24-981,610.81

Finding the Fourth Proportional to 2,518,971.28, 3,776,219.24 and 981,610.81

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Solution

The fourth proportional to 2,518,971.28, 3,776,219.24 and 981,610.81 is: 1,471,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,971.28 : 3,776,219.24 = 981,610.81 : x
  2. Step 2: Convert to fraction form
    2,518,971.28/3,776,219.24 = 981,610.81/x
  3. Step 3: Cross multiply
    2,518,971.28x = 3,776,219.24 × 981,610.81
  4. Step 4: Simplify right side
    2,518,971.28x = 3,706,777,626,913.99
  5. Step 5: Solve for x
    x = 3,706,777,626,913.99/2,518,971.28
  6. Step 6: Final answer
    x = 1,471,544.22

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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.