Home / 1,603,516.50-2,212,888.41-915,174.59

Finding the Fourth Proportional to 1,603,516.50, 2,212,888.41 and 915,174.59

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Solution

The fourth proportional to 1,603,516.50, 2,212,888.41 and 915,174.59 is: 1,262,961.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,603,516.50 : 2,212,888.41 = 915,174.59 : x
  2. Step 2: Convert to fraction form
    1,603,516.50/2,212,888.41 = 915,174.59/x
  3. Step 3: Cross multiply
    1,603,516.50x = 2,212,888.41 × 915,174.59
  4. Step 4: Simplify right side
    1,603,516.50x = 2,025,179,232,273.06
  5. Step 5: Solve for x
    x = 2,025,179,232,273.06/1,603,516.50
  6. Step 6: Final answer
    x = 1,262,961.27

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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.