Home / 4,679,489.84-7,019,141.30-2,120,227.81

Finding the Fourth Proportional to 4,679,489.84, 7,019,141.30 and 2,120,227.81

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Solution

The fourth proportional to 4,679,489.84, 7,019,141.30 and 2,120,227.81 is: 3,180,299.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,679,489.84 : 7,019,141.30 = 2,120,227.81 : x
  2. Step 2: Convert to fraction form
    4,679,489.84/7,019,141.30 = 2,120,227.81/x
  3. Step 3: Cross multiply
    4,679,489.84x = 7,019,141.30 × 2,120,227.81
  4. Step 4: Simplify right side
    4,679,489.84x = 14,882,178,624,678.79
  5. Step 5: Solve for x
    x = 14,882,178,624,678.79/4,679,489.84
  6. Step 6: Final answer
    x = 3,180,299.38

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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.