Home / 2,201,161.20-3,301,741.80-1,403,999.70

Finding the Fourth Proportional to 2,201,161.20, 3,301,741.80 and 1,403,999.70

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Solution

The fourth proportional to 2,201,161.20, 3,301,741.80 and 1,403,999.70 is: 2,105,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,161.20 : 3,301,741.80 = 1,403,999.70 : x
  2. Step 2: Convert to fraction form
    2,201,161.20/3,301,741.80 = 1,403,999.70/x
  3. Step 3: Cross multiply
    2,201,161.20x = 3,301,741.80 × 1,403,999.70
  4. Step 4: Simplify right side
    2,201,161.20x = 4,635,644,496,677.46
  5. Step 5: Solve for x
    x = 4,635,644,496,677.46/2,201,161.20
  6. Step 6: Final answer
    x = 2,105,999.55

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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.