Home / 4,000,379.40-5,520,537.48-2,164,837.23

Finding the Fourth Proportional to 4,000,379.40, 5,520,537.48 and 2,164,837.23

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Solution

The fourth proportional to 4,000,379.40, 5,520,537.48 and 2,164,837.23 is: 2,987,482.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000,379.40 : 5,520,537.48 = 2,164,837.23 : x
  2. Step 2: Convert to fraction form
    4,000,379.40/5,520,537.48 = 2,164,837.23/x
  3. Step 3: Cross multiply
    4,000,379.40x = 5,520,537.48 × 2,164,837.23
  4. Step 4: Simplify right side
    4,000,379.40x = 11,951,065,066,314.38
  5. Step 5: Solve for x
    x = 11,951,065,066,314.38/4,000,379.40
  6. Step 6: Final answer
    x = 2,987,482.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.