Home / 1,515,876.50-2,091,913.62-836,813

Finding the Fourth Proportional to 1,515,876.50, 2,091,913.62 and 836,813

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Solution

The fourth proportional to 1,515,876.50, 2,091,913.62 and 836,813 is: 1,154,804.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,876.50 : 2,091,913.62 = 836,813 : x
  2. Step 2: Convert to fraction form
    1,515,876.50/2,091,913.62 = 836,813/x
  3. Step 3: Cross multiply
    1,515,876.50x = 2,091,913.62 × 836,813
  4. Step 4: Simplify right side
    1,515,876.50x = 1,750,540,512,093.06
  5. Step 5: Solve for x
    x = 1,750,540,512,093.06/1,515,876.50
  6. Step 6: Final answer
    x = 1,154,804.18

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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.