Home / 3,678,735.25-5,518,933.25-1,120,178.98

Finding the Fourth Proportional to 3,678,735.25, 5,518,933.25 and 1,120,178.98

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Solution

The fourth proportional to 3,678,735.25, 5,518,933.25 and 1,120,178.98 is: 1,680,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,735.25 : 5,518,933.25 = 1,120,178.98 : x
  2. Step 2: Convert to fraction form
    3,678,735.25/5,518,933.25 = 1,120,178.98/x
  3. Step 3: Cross multiply
    3,678,735.25x = 5,518,933.25 × 1,120,178.98
  4. Step 4: Simplify right side
    3,678,735.25x = 6,182,193,018,673.09
  5. Step 5: Solve for x
    x = 6,182,193,018,673.09/3,678,735.25
  6. Step 6: Final answer
    x = 1,680,521.32

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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.