Home / 3,885,631.13-5,362,176.12-2,143,261.44

Finding the Fourth Proportional to 3,885,631.13, 5,362,176.12 and 2,143,261.44

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Solution

The fourth proportional to 3,885,631.13, 5,362,176.12 and 2,143,261.44 is: 2,957,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,631.13 : 5,362,176.12 = 2,143,261.44 : x
  2. Step 2: Convert to fraction form
    3,885,631.13/5,362,176.12 = 2,143,261.44/x
  3. Step 3: Cross multiply
    3,885,631.13x = 5,362,176.12 × 2,143,261.44
  4. Step 4: Simplify right side
    3,885,631.13x = 11,492,545,315,163.89
  5. Step 5: Solve for x
    x = 11,492,545,315,163.89/3,885,631.13
  6. Step 6: Final answer
    x = 2,957,703.64

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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.