Home / 5,189,192.81-7,783,817.01-3,403,384.90

Finding the Fourth Proportional to 5,189,192.81, 7,783,817.01 and 3,403,384.90

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Solution

The fourth proportional to 5,189,192.81, 7,783,817.01 and 3,403,384.90 is: 5,105,095.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,192.81 : 7,783,817.01 = 3,403,384.90 : x
  2. Step 2: Convert to fraction form
    5,189,192.81/7,783,817.01 = 3,403,384.90/x
  3. Step 3: Cross multiply
    5,189,192.81x = 7,783,817.01 × 3,403,384.90
  4. Step 4: Simplify right side
    5,189,192.81x = 26,491,325,243,974.91
  5. Step 5: Solve for x
    x = 26,491,325,243,974.91/5,189,192.81
  6. Step 6: Final answer
    x = 5,105,095.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.