Home / 2,878,148.89-3,971,851.37-1,588,991.77

Finding the Fourth Proportional to 2,878,148.89, 3,971,851.37 and 1,588,991.77

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Solution

The fourth proportional to 2,878,148.89, 3,971,851.37 and 1,588,991.77 is: 2,192,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,148.89 : 3,971,851.37 = 1,588,991.77 : x
  2. Step 2: Convert to fraction form
    2,878,148.89/3,971,851.37 = 1,588,991.77/x
  3. Step 3: Cross multiply
    2,878,148.89x = 3,971,851.37 × 1,588,991.77
  4. Step 4: Simplify right side
    2,878,148.89x = 6,311,239,138,593.23
  5. Step 5: Solve for x
    x = 6,311,239,138,593.23/2,878,148.89
  6. Step 6: Final answer
    x = 2,192,811.90

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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.