Home / 1,972,907.15-2,720,149.38-1,508,336.75

Finding the Fourth Proportional to 1,972,907.15, 2,720,149.38 and 1,508,336.75

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Solution

The fourth proportional to 1,972,907.15, 2,720,149.38 and 1,508,336.75 is: 2,079,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,907.15 : 2,720,149.38 = 1,508,336.75 : x
  2. Step 2: Convert to fraction form
    1,972,907.15/2,720,149.38 = 1,508,336.75/x
  3. Step 3: Cross multiply
    1,972,907.15x = 2,720,149.38 × 1,508,336.75
  4. Step 4: Simplify right side
    1,972,907.15x = 4,102,901,287,800.35
  5. Step 5: Solve for x
    x = 4,102,901,287,800.35/1,972,907.15
  6. Step 6: Final answer
    x = 2,079,622.09

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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.