Home / 3,886,085.85-5,362,803.50-2,143,715.91

Finding the Fourth Proportional to 3,886,085.85, 5,362,803.50 and 2,143,715.91

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Solution

The fourth proportional to 3,886,085.85, 5,362,803.50 and 2,143,715.91 is: 2,958,330.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886,085.85 : 5,362,803.50 = 2,143,715.91 : x
  2. Step 2: Convert to fraction form
    3,886,085.85/5,362,803.50 = 2,143,715.91/x
  3. Step 3: Cross multiply
    3,886,085.85x = 5,362,803.50 × 2,143,715.91
  4. Step 4: Simplify right side
    3,886,085.85x = 11,496,327,174,435.11
  5. Step 5: Solve for x
    x = 11,496,327,174,435.11/3,886,085.85
  6. Step 6: Final answer
    x = 2,958,330.73

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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.