Home / 3,851,990.79-5,315,742.50-2,133,109.23

Finding the Fourth Proportional to 3,851,990.79, 5,315,742.50 and 2,133,109.23

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Solution

The fourth proportional to 3,851,990.79, 5,315,742.50 and 2,133,109.23 is: 2,943,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,990.79 : 5,315,742.50 = 2,133,109.23 : x
  2. Step 2: Convert to fraction form
    3,851,990.79/5,315,742.50 = 2,133,109.23/x
  3. Step 3: Cross multiply
    3,851,990.79x = 5,315,742.50 × 2,133,109.23
  4. Step 4: Simplify right side
    3,851,990.79x = 11,339,059,380,387.73
  5. Step 5: Solve for x
    x = 11,339,059,380,387.73/3,851,990.79
  6. Step 6: Final answer
    x = 2,943,688.08

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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.