Home / 3,834,681.62-5,291,971.29-2,115,912.87

Finding the Fourth Proportional to 3,834,681.62, 5,291,971.29 and 2,115,912.87

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Solution

The fourth proportional to 3,834,681.62, 5,291,971.29 and 2,115,912.87 is: 2,920,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,834,681.62 : 5,291,971.29 = 2,115,912.87 : x
  2. Step 2: Convert to fraction form
    3,834,681.62/5,291,971.29 = 2,115,912.87/x
  3. Step 3: Cross multiply
    3,834,681.62x = 5,291,971.29 × 2,115,912.87
  4. Step 4: Simplify right side
    3,834,681.62x = 11,197,350,160,181.50
  5. Step 5: Solve for x
    x = 11,197,350,160,181.50/3,834,681.62
  6. Step 6: Final answer
    x = 2,920,020.82

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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.