Home / 1,979,644.52-2,731,916.74-1,074,226.52

Finding the Fourth Proportional to 1,979,644.52, 2,731,916.74 and 1,074,226.52

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Solution

The fourth proportional to 1,979,644.52, 2,731,916.74 and 1,074,226.52 is: 1,482,436.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,644.52 : 2,731,916.74 = 1,074,226.52 : x
  2. Step 2: Convert to fraction form
    1,979,644.52/2,731,916.74 = 1,074,226.52/x
  3. Step 3: Cross multiply
    1,979,644.52x = 2,731,916.74 × 1,074,226.52
  4. Step 4: Simplify right side
    1,979,644.52x = 2,934,697,412,539.95
  5. Step 5: Solve for x
    x = 2,934,697,412,539.95/1,979,644.52
  6. Step 6: Final answer
    x = 1,482,436.56

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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.