Home / 1,515,890.08-2,091,915.48-836,812

Finding the Fourth Proportional to 1,515,890.08, 2,091,915.48 and 836,812

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Solution

The fourth proportional to 1,515,890.08, 2,091,915.48 and 836,812 is: 1,154,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,890.08 : 2,091,915.48 = 836,812 : x
  2. Step 2: Convert to fraction form
    1,515,890.08/2,091,915.48 = 836,812/x
  3. Step 3: Cross multiply
    1,515,890.08x = 2,091,915.48 × 836,812
  4. Step 4: Simplify right side
    1,515,890.08x = 1,750,539,976,649.76
  5. Step 5: Solve for x
    x = 1,750,539,976,649.76/1,515,890.08
  6. Step 6: Final answer
    x = 1,154,793.48

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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.