Home / 3,885,631.32-5,362,176.38-2,143,261.63

Finding the Fourth Proportional to 3,885,631.32, 5,362,176.38 and 2,143,261.63

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Solution

The fourth proportional to 3,885,631.32, 5,362,176.38 and 2,143,261.63 is: 2,957,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,631.32 : 5,362,176.38 = 2,143,261.63 : x
  2. Step 2: Convert to fraction form
    3,885,631.32/5,362,176.38 = 2,143,261.63/x
  3. Step 3: Cross multiply
    3,885,631.32x = 5,362,176.38 × 2,143,261.63
  4. Step 4: Simplify right side
    3,885,631.32x = 11,492,546,888,546.30
  5. Step 5: Solve for x
    x = 11,492,546,888,546.30/3,885,631.32
  6. Step 6: Final answer
    x = 2,957,703.90

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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.