Home / 1,981,051.25-2,971,431.53-632,851.86

Finding the Fourth Proportional to 1,981,051.25, 2,971,431.53 and 632,851.86

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Solution

The fourth proportional to 1,981,051.25, 2,971,431.53 and 632,851.86 is: 949,231.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,051.25 : 2,971,431.53 = 632,851.86 : x
  2. Step 2: Convert to fraction form
    1,981,051.25/2,971,431.53 = 632,851.86/x
  3. Step 3: Cross multiply
    1,981,051.25x = 2,971,431.53 × 632,851.86
  4. Step 4: Simplify right side
    1,981,051.25x = 1,880,475,967,458.89
  5. Step 5: Solve for x
    x = 1,880,475,967,458.89/1,981,051.25
  6. Step 6: Final answer
    x = 949,231.36

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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.