Home / 3,885,595.28-5,362,156.32-2,143,331.36

Finding the Fourth Proportional to 3,885,595.28, 5,362,156.32 and 2,143,331.36

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Solution

The fourth proportional to 3,885,595.28, 5,362,156.32 and 2,143,331.36 is: 2,957,816.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885,595.28 : 5,362,156.32 = 2,143,331.36 : x
  2. Step 2: Convert to fraction form
    3,885,595.28/5,362,156.32 = 2,143,331.36/x
  3. Step 3: Cross multiply
    3,885,595.28x = 5,362,156.32 × 2,143,331.36
  4. Step 4: Simplify right side
    3,885,595.28x = 11,492,877,797,878.20
  5. Step 5: Solve for x
    x = 11,492,877,797,878.20/3,885,595.28
  6. Step 6: Final answer
    x = 2,957,816.49

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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.