Home / 2,109,693.43-2,911,390.95-1,142,823.79

Finding the Fourth Proportional to 2,109,693.43, 2,911,390.95 and 1,142,823.79

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Solution

The fourth proportional to 2,109,693.43, 2,911,390.95 and 1,142,823.79 is: 1,577,104.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,693.43 : 2,911,390.95 = 1,142,823.79 : x
  2. Step 2: Convert to fraction form
    2,109,693.43/2,911,390.95 = 1,142,823.79/x
  3. Step 3: Cross multiply
    2,109,693.43x = 2,911,390.95 × 1,142,823.79
  4. Step 4: Simplify right side
    2,109,693.43x = 3,327,206,839,650.70
  5. Step 5: Solve for x
    x = 3,327,206,839,650.70/2,109,693.43
  6. Step 6: Final answer
    x = 1,577,104.42

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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.