Home / 1,979,625.69-2,731,890.95-1,074,207.69

Finding the Fourth Proportional to 1,979,625.69, 2,731,890.95 and 1,074,207.69

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Solution

The fourth proportional to 1,979,625.69, 2,731,890.95 and 1,074,207.69 is: 1,482,410.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,625.69 : 2,731,890.95 = 1,074,207.69 : x
  2. Step 2: Convert to fraction form
    1,979,625.69/2,731,890.95 = 1,074,207.69/x
  3. Step 3: Cross multiply
    1,979,625.69x = 2,731,890.95 × 1,074,207.69
  4. Step 4: Simplify right side
    1,979,625.69x = 2,934,618,261,360.37
  5. Step 5: Solve for x
    x = 2,934,618,261,360.37/1,979,625.69
  6. Step 6: Final answer
    x = 1,482,410.68

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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.