Home / 3,228,738-4,455,658.44-1,871,398.32

Finding the Fourth Proportional to 3,228,738, 4,455,658.44 and 1,871,398.32

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Solution

The fourth proportional to 3,228,738, 4,455,658.44 and 1,871,398.32 is: 2,582,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228,738 : 4,455,658.44 = 1,871,398.32 : x
  2. Step 2: Convert to fraction form
    3,228,738/4,455,658.44 = 1,871,398.32/x
  3. Step 3: Cross multiply
    3,228,738x = 4,455,658.44 × 1,871,398.32
  4. Step 4: Simplify right side
    3,228,738x = 8,338,311,719,109.82
  5. Step 5: Solve for x
    x = 8,338,311,719,109.82/3,228,738
  6. Step 6: Final answer
    x = 2,582,529.68

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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.