Home / 3,911,242.65-5,397,243.21-2,169,001.89

Finding the Fourth Proportional to 3,911,242.65, 5,397,243.21 and 2,169,001.89

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Solution

The fourth proportional to 3,911,242.65, 5,397,243.21 and 2,169,001.89 is: 2,993,071.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911,242.65 : 5,397,243.21 = 2,169,001.89 : x
  2. Step 2: Convert to fraction form
    3,911,242.65/5,397,243.21 = 2,169,001.89/x
  3. Step 3: Cross multiply
    3,911,242.65x = 5,397,243.21 × 2,169,001.89
  4. Step 4: Simplify right side
    3,911,242.65x = 11,706,630,723,279.67
  5. Step 5: Solve for x
    x = 11,706,630,723,279.67/3,911,242.65
  6. Step 6: Final answer
    x = 2,993,071.96

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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.