Home / 1,805,726.58-2,491,886.76-989,915.43

Finding the Fourth Proportional to 1,805,726.58, 2,491,886.76 and 989,915.43

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Solution

The fourth proportional to 1,805,726.58, 2,491,886.76 and 989,915.43 is: 1,366,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,726.58 : 2,491,886.76 = 989,915.43 : x
  2. Step 2: Convert to fraction form
    1,805,726.58/2,491,886.76 = 989,915.43/x
  3. Step 3: Cross multiply
    1,805,726.58x = 2,491,886.76 × 989,915.43
  4. Step 4: Simplify right side
    1,805,726.58x = 2,466,757,153,536.71
  5. Step 5: Solve for x
    x = 2,466,757,153,536.71/1,805,726.58
  6. Step 6: Final answer
    x = 1,366,074.57

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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.