Home / 2,878,149.90-3,971,852.74-1,588,992.78

Finding the Fourth Proportional to 2,878,149.90, 3,971,852.74 and 1,588,992.78

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Solution

The fourth proportional to 2,878,149.90, 3,971,852.74 and 1,588,992.78 is: 2,192,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,149.90 : 3,971,852.74 = 1,588,992.78 : x
  2. Step 2: Convert to fraction form
    2,878,149.90/3,971,852.74 = 1,588,992.78/x
  3. Step 3: Cross multiply
    2,878,149.90x = 3,971,852.74 × 1,588,992.78
  4. Step 4: Simplify right side
    2,878,149.90x = 6,311,245,327,083.22
  5. Step 5: Solve for x
    x = 6,311,245,327,083.22/2,878,149.90
  6. Step 6: Final answer
    x = 2,192,813.28

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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.