Home / 1,987,994.40-2,743,463.52-1,082,575.68

Finding the Fourth Proportional to 1,987,994.40, 2,743,463.52 and 1,082,575.68

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Solution

The fourth proportional to 1,987,994.40, 2,743,463.52 and 1,082,575.68 is: 1,493,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,994.40 : 2,743,463.52 = 1,082,575.68 : x
  2. Step 2: Convert to fraction form
    1,987,994.40/2,743,463.52 = 1,082,575.68/x
  3. Step 3: Cross multiply
    1,987,994.40x = 2,743,463.52 × 1,082,575.68
  4. Step 4: Simplify right side
    1,987,994.40x = 2,970,006,885,719.19
  5. Step 5: Solve for x
    x = 2,970,006,885,719.19/1,987,994.40
  6. Step 6: Final answer
    x = 1,493,971.45

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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.