Home / 2,138,005.62-2,950,368.36-1,171,143.84

Finding the Fourth Proportional to 2,138,005.62, 2,950,368.36 and 1,171,143.84

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Solution

The fourth proportional to 2,138,005.62, 2,950,368.36 and 1,171,143.84 is: 1,616,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,005.62 : 2,950,368.36 = 1,171,143.84 : x
  2. Step 2: Convert to fraction form
    2,138,005.62/2,950,368.36 = 1,171,143.84/x
  3. Step 3: Cross multiply
    2,138,005.62x = 2,950,368.36 × 1,171,143.84
  4. Step 4: Simplify right side
    2,138,005.62x = 3,455,305,730,544.90
  5. Step 5: Solve for x
    x = 3,455,305,730,544.90/2,138,005.62
  6. Step 6: Final answer
    x = 1,616,135.01

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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.