Home / 1,979,736.38-2,732,036.21-1,074,318.38

Finding the Fourth Proportional to 1,979,736.38, 2,732,036.21 and 1,074,318.38

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Solution

The fourth proportional to 1,979,736.38, 2,732,036.21 and 1,074,318.38 is: 1,482,559.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,736.38 : 2,732,036.21 = 1,074,318.38 : x
  2. Step 2: Convert to fraction form
    1,979,736.38/2,732,036.21 = 1,074,318.38/x
  3. Step 3: Cross multiply
    1,979,736.38x = 2,732,036.21 × 1,074,318.38
  4. Step 4: Simplify right side
    1,979,736.38x = 2,935,076,715,228.54
  5. Step 5: Solve for x
    x = 2,935,076,715,228.54/1,979,736.38
  6. Step 6: Final answer
    x = 1,482,559.37

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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.