Home / 3,451,521.23-5,178,806.89-1,809,806.41

Finding the Fourth Proportional to 3,451,521.23, 5,178,806.89 and 1,809,806.41

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Solution

The fourth proportional to 3,451,521.23, 5,178,806.89 and 1,809,806.41 is: 2,715,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451,521.23 : 5,178,806.89 = 1,809,806.41 : x
  2. Step 2: Convert to fraction form
    3,451,521.23/5,178,806.89 = 1,809,806.41/x
  3. Step 3: Cross multiply
    3,451,521.23x = 5,178,806.89 × 1,809,806.41
  4. Step 4: Simplify right side
    3,451,521.23x = 9,372,637,905,674.16
  5. Step 5: Solve for x
    x = 9,372,637,905,674.16/3,451,521.23
  6. Step 6: Final answer
    x = 2,715,509.27

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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.