Home / 3,852,266.76-5,315,938.69-2,109,943.75

Finding the Fourth Proportional to 3,852,266.76, 5,315,938.69 and 2,109,943.75

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Solution

The fourth proportional to 3,852,266.76, 5,315,938.69 and 2,109,943.75 is: 2,911,618.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,266.76 : 5,315,938.69 = 2,109,943.75 : x
  2. Step 2: Convert to fraction form
    3,852,266.76/5,315,938.69 = 2,109,943.75/x
  3. Step 3: Cross multiply
    3,852,266.76x = 5,315,938.69 × 2,109,943.75
  4. Step 4: Simplify right side
    3,852,266.76x = 11,216,331,614,348.69
  5. Step 5: Solve for x
    x = 11,216,331,614,348.69/3,852,266.76
  6. Step 6: Final answer
    x = 2,911,618.62

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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.