Home / 1,890,405.12-2,608,310.67-1,074,544.59

Finding the Fourth Proportional to 1,890,405.12, 2,608,310.67 and 1,074,544.59

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Solution

The fourth proportional to 1,890,405.12, 2,608,310.67 and 1,074,544.59 is: 1,482,616.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,405.12 : 2,608,310.67 = 1,074,544.59 : x
  2. Step 2: Convert to fraction form
    1,890,405.12/2,608,310.67 = 1,074,544.59/x
  3. Step 3: Cross multiply
    1,890,405.12x = 2,608,310.67 × 1,074,544.59
  4. Step 4: Simplify right side
    1,890,405.12x = 2,802,746,119,487.78
  5. Step 5: Solve for x
    x = 2,802,746,119,487.78/1,890,405.12
  6. Step 6: Final answer
    x = 1,482,616.66

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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.