Home / 1,805,920.56-2,492,153.52-990,169.56

Finding the Fourth Proportional to 1,805,920.56, 2,492,153.52 and 990,169.56

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Solution

The fourth proportional to 1,805,920.56, 2,492,153.52 and 990,169.56 is: 1,366,424.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,920.56 : 2,492,153.52 = 990,169.56 : x
  2. Step 2: Convert to fraction form
    1,805,920.56/2,492,153.52 = 990,169.56/x
  3. Step 3: Cross multiply
    1,805,920.56x = 2,492,153.52 × 990,169.56
  4. Step 4: Simplify right side
    1,805,920.56x = 2,467,654,554,350.85
  5. Step 5: Solve for x
    x = 2,467,654,554,350.85/1,805,920.56
  6. Step 6: Final answer
    x = 1,366,424.75

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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.