Home / 1,878,512.88-2,590,747.55-1,443,982

Finding the Fourth Proportional to 1,878,512.88, 2,590,747.55 and 1,443,982

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Solution

The fourth proportional to 1,878,512.88, 2,590,747.55 and 1,443,982 is: 1,991,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,878,512.88 : 2,590,747.55 = 1,443,982 : x
  2. Step 2: Convert to fraction form
    1,878,512.88/2,590,747.55 = 1,443,982/x
  3. Step 3: Cross multiply
    1,878,512.88x = 2,590,747.55 × 1,443,982
  4. Step 4: Simplify right side
    1,878,512.88x = 3,740,992,821,524.19
  5. Step 5: Solve for x
    x = 3,740,992,821,524.19/1,878,512.88
  6. Step 6: Final answer
    x = 1,991,465.10

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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.