Home / 1,920,422.25-2,650,151.78-1,049,238.23

Finding the Fourth Proportional to 1,920,422.25, 2,650,151.78 and 1,049,238.23

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Solution

The fourth proportional to 1,920,422.25, 2,650,151.78 and 1,049,238.23 is: 1,447,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,422.25 : 2,650,151.78 = 1,049,238.23 : x
  2. Step 2: Convert to fraction form
    1,920,422.25/2,650,151.78 = 1,049,238.23/x
  3. Step 3: Cross multiply
    1,920,422.25x = 2,650,151.78 × 1,049,238.23
  4. Step 4: Simplify right side
    1,920,422.25x = 2,780,640,558,254.31
  5. Step 5: Solve for x
    x = 2,780,640,558,254.31/1,920,422.25
  6. Step 6: Final answer
    x = 1,447,931.86

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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.