Home / 2,809,718.94-4,214,578.59-679,803.06

Finding the Fourth Proportional to 2,809,718.94, 4,214,578.59 and 679,803.06

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Solution

The fourth proportional to 2,809,718.94, 4,214,578.59 and 679,803.06 is: 1,019,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,718.94 : 4,214,578.59 = 679,803.06 : x
  2. Step 2: Convert to fraction form
    2,809,718.94/4,214,578.59 = 679,803.06/x
  3. Step 3: Cross multiply
    2,809,718.94x = 4,214,578.59 × 679,803.06
  4. Step 4: Simplify right side
    2,809,718.94x = 2,865,083,418,693.47
  5. Step 5: Solve for x
    x = 2,865,083,418,693.47/2,809,718.94
  6. Step 6: Final answer
    x = 1,019,704.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.