Home / 1,773,999.90-2,660,999.85-1,419,705.90

Finding the Fourth Proportional to 1,773,999.90, 2,660,999.85 and 1,419,705.90

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Solution

The fourth proportional to 1,773,999.90, 2,660,999.85 and 1,419,705.90 is: 2,129,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,999.90 : 2,660,999.85 = 1,419,705.90 : x
  2. Step 2: Convert to fraction form
    1,773,999.90/2,660,999.85 = 1,419,705.90/x
  3. Step 3: Cross multiply
    1,773,999.90x = 2,660,999.85 × 1,419,705.90
  4. Step 4: Simplify right side
    1,773,999.90x = 3,777,837,186,944.12
  5. Step 5: Solve for x
    x = 3,777,837,186,944.12/1,773,999.90
  6. Step 6: Final answer
    x = 2,129,558.85

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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.