Home / 1,515,891.08-2,091,916.86-836,813

Finding the Fourth Proportional to 1,515,891.08, 2,091,916.86 and 836,813

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Solution

The fourth proportional to 1,515,891.08, 2,091,916.86 and 836,813 is: 1,154,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,891.08 : 2,091,916.86 = 836,813 : x
  2. Step 2: Convert to fraction form
    1,515,891.08/2,091,916.86 = 836,813/x
  3. Step 3: Cross multiply
    1,515,891.08x = 2,091,916.86 × 836,813
  4. Step 4: Simplify right side
    1,515,891.08x = 1,750,543,223,367.18
  5. Step 5: Solve for x
    x = 1,750,543,223,367.18/1,515,891.08
  6. Step 6: Final answer
    x = 1,154,794.86

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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.