Home / 2,878,147.89-3,971,849.99-1,588,990.77

Finding the Fourth Proportional to 2,878,147.89, 3,971,849.99 and 1,588,990.77

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Solution

The fourth proportional to 2,878,147.89, 3,971,849.99 and 1,588,990.77 is: 2,192,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,147.89 : 3,971,849.99 = 1,588,990.77 : x
  2. Step 2: Convert to fraction form
    2,878,147.89/3,971,849.99 = 1,588,990.77/x
  3. Step 3: Cross multiply
    2,878,147.89x = 3,971,849.99 × 1,588,990.77
  4. Step 4: Simplify right side
    2,878,147.89x = 6,311,232,965,989.64
  5. Step 5: Solve for x
    x = 6,311,232,965,989.64/2,878,147.89
  6. Step 6: Final answer
    x = 2,192,810.52

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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.