Home / 2,148,713.10-2,965,280.13-1,181,868.75

Finding the Fourth Proportional to 2,148,713.10, 2,965,280.13 and 1,181,868.75

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Solution

The fourth proportional to 2,148,713.10, 2,965,280.13 and 1,181,868.75 is: 1,631,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,148,713.10 : 2,965,280.13 = 1,181,868.75 : x
  2. Step 2: Convert to fraction form
    2,148,713.10/2,965,280.13 = 1,181,868.75/x
  3. Step 3: Cross multiply
    2,148,713.10x = 2,965,280.13 × 1,181,868.75
  4. Step 4: Simplify right side
    2,148,713.10x = 3,504,571,920,642.94
  5. Step 5: Solve for x
    x = 3,504,571,920,642.94/2,148,713.10
  6. Step 6: Final answer
    x = 1,631,009.71

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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.