Home / 1,515,211.45-2,091,035.87-826,927.57

Finding the Fourth Proportional to 1,515,211.45, 2,091,035.87 and 826,927.57

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Solution

The fourth proportional to 1,515,211.45, 2,091,035.87 and 826,927.57 is: 1,141,184.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,211.45 : 2,091,035.87 = 826,927.57 : x
  2. Step 2: Convert to fraction form
    1,515,211.45/2,091,035.87 = 826,927.57/x
  3. Step 3: Cross multiply
    1,515,211.45x = 2,091,035.87 × 826,927.57
  4. Step 4: Simplify right side
    1,515,211.45x = 1,729,135,210,761.94
  5. Step 5: Solve for x
    x = 1,729,135,210,761.94/1,515,211.45
  6. Step 6: Final answer
    x = 1,141,184.10

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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.