Home / 3,131,411.13-4,321,273.95-1,842,334.38

Finding the Fourth Proportional to 3,131,411.13, 4,321,273.95 and 1,842,334.38

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Solution

The fourth proportional to 3,131,411.13, 4,321,273.95 and 1,842,334.38 is: 2,542,378.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,411.13 : 4,321,273.95 = 1,842,334.38 : x
  2. Step 2: Convert to fraction form
    3,131,411.13/4,321,273.95 = 1,842,334.38/x
  3. Step 3: Cross multiply
    3,131,411.13x = 4,321,273.95 × 1,842,334.38
  4. Step 4: Simplify right side
    3,131,411.13x = 7,961,231,563,483.40
  5. Step 5: Solve for x
    x = 7,961,231,563,483.40/3,131,411.13
  6. Step 6: Final answer
    x = 2,542,378.25

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1.5x scale

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.