Home / 5,134,870.72-7,086,232.08-2,811,861.28

Finding the Fourth Proportional to 5,134,870.72, 7,086,232.08 and 2,811,861.28

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Solution

The fourth proportional to 5,134,870.72, 7,086,232.08 and 2,811,861.28 is: 3,880,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134,870.72 : 7,086,232.08 = 2,811,861.28 : x
  2. Step 2: Convert to fraction form
    5,134,870.72/7,086,232.08 = 2,811,861.28/x
  3. Step 3: Cross multiply
    5,134,870.72x = 7,086,232.08 × 2,811,861.28
  4. Step 4: Simplify right side
    5,134,870.72x = 19,925,501,606,845.86
  5. Step 5: Solve for x
    x = 19,925,501,606,845.86/5,134,870.72
  6. Step 6: Final answer
    x = 3,880,429.07

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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.