Home / 3,039,979.80-4,195,141.02-1,681,862.52

Finding the Fourth Proportional to 3,039,979.80, 4,195,141.02 and 1,681,862.52

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Solution

The fourth proportional to 3,039,979.80, 4,195,141.02 and 1,681,862.52 is: 2,320,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039,979.80 : 4,195,141.02 = 1,681,862.52 : x
  2. Step 2: Convert to fraction form
    3,039,979.80/4,195,141.02 = 1,681,862.52/x
  3. Step 3: Cross multiply
    3,039,979.80x = 4,195,141.02 × 1,681,862.52
  4. Step 4: Simplify right side
    3,039,979.80x = 7,055,650,447,652.57
  5. Step 5: Solve for x
    x = 7,055,650,447,652.57/3,039,979.80
  6. Step 6: Final answer
    x = 2,320,953.07

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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.