Home / 5,423,391.38-8,137,740.75-2,184,794.42

Finding the Fourth Proportional to 5,423,391.38, 8,137,740.75 and 2,184,794.42

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Solution

The fourth proportional to 5,423,391.38, 8,137,740.75 and 2,184,794.42 is: 3,278,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423,391.38 : 8,137,740.75 = 2,184,794.42 : x
  2. Step 2: Convert to fraction form
    5,423,391.38/8,137,740.75 = 2,184,794.42/x
  3. Step 3: Cross multiply
    5,423,391.38x = 8,137,740.75 × 2,184,794.42
  4. Step 4: Simplify right side
    5,423,391.38x = 17,779,290,582,006.61
  5. Step 5: Solve for x
    x = 17,779,290,582,006.61/5,423,391.38
  6. Step 6: Final answer
    x = 3,278,260.66

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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.