Home / 2,299,986.47-3,173,906.90-1,320,086.79

Finding the Fourth Proportional to 2,299,986.47, 3,173,906.90 and 1,320,086.79

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Solution

The fourth proportional to 2,299,986.47, 3,173,906.90 and 1,320,086.79 is: 1,821,677.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299,986.47 : 3,173,906.90 = 1,320,086.79 : x
  2. Step 2: Convert to fraction form
    2,299,986.47/3,173,906.90 = 1,320,086.79/x
  3. Step 3: Cross multiply
    2,299,986.47x = 3,173,906.90 × 1,320,086.79
  4. Step 4: Simplify right side
    2,299,986.47x = 4,189,832,574,680.07
  5. Step 5: Solve for x
    x = 4,189,832,574,680.07/2,299,986.47
  6. Step 6: Final answer
    x = 1,821,677.05

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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.