Home / 3,918,762-5,407,869.83-2,199,882.06

Finding the Fourth Proportional to 3,918,762, 5,407,869.83 and 2,199,882.06

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Solution

The fourth proportional to 3,918,762, 5,407,869.83 and 2,199,882.06 is: 3,035,825.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,762 : 5,407,869.83 = 2,199,882.06 : x
  2. Step 2: Convert to fraction form
    3,918,762/5,407,869.83 = 2,199,882.06/x
  3. Step 3: Cross multiply
    3,918,762x = 5,407,869.83 × 2,199,882.06
  4. Step 4: Simplify right side
    3,918,762x = 11,896,675,810,832.84
  5. Step 5: Solve for x
    x = 11,896,675,810,832.84/3,918,762
  6. Step 6: Final answer
    x = 3,035,825.04

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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.