Home / 4,218,000-6,328,078.94-1,226,184

Finding the Fourth Proportional to 4,218,000, 6,328,078.94 and 1,226,184

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Solution

The fourth proportional to 4,218,000, 6,328,078.94 and 1,226,184 is: 1,839,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218,000 : 6,328,078.94 = 1,226,184 : x
  2. Step 2: Convert to fraction form
    4,218,000/6,328,078.94 = 1,226,184/x
  3. Step 3: Cross multiply
    4,218,000x = 6,328,078.94 × 1,226,184
  4. Step 4: Simplify right side
    4,218,000x = 7,759,389,140,834.04
  5. Step 5: Solve for x
    x = 7,759,389,140,834.04/4,218,000
  6. Step 6: Final answer
    x = 1,839,589.65

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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.