Home / 2,117,018.06-3,175,048.32-979,155.90

Finding the Fourth Proportional to 2,117,018.06, 3,175,048.32 and 979,155.90

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Solution

The fourth proportional to 2,117,018.06, 3,175,048.32 and 979,155.90 is: 1,468,512.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,018.06 : 3,175,048.32 = 979,155.90 : x
  2. Step 2: Convert to fraction form
    2,117,018.06/3,175,048.32 = 979,155.90/x
  3. Step 3: Cross multiply
    2,117,018.06x = 3,175,048.32 × 979,155.90
  4. Step 4: Simplify right side
    2,117,018.06x = 3,108,867,295,313.09
  5. Step 5: Solve for x
    x = 3,108,867,295,313.09/2,117,018.06
  6. Step 6: Final answer
    x = 1,468,512.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.