Home / 1,819,231.80-2,728,847.70-1,110,643.80

Finding the Fourth Proportional to 1,819,231.80, 2,728,847.70 and 1,110,643.80

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Solution

The fourth proportional to 1,819,231.80, 2,728,847.70 and 1,110,643.80 is: 1,665,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,231.80 : 2,728,847.70 = 1,110,643.80 : x
  2. Step 2: Convert to fraction form
    1,819,231.80/2,728,847.70 = 1,110,643.80/x
  3. Step 3: Cross multiply
    1,819,231.80x = 2,728,847.70 × 1,110,643.80
  4. Step 4: Simplify right side
    1,819,231.80x = 3,030,777,779,149.26
  5. Step 5: Solve for x
    x = 3,030,777,779,149.26/1,819,231.80
  6. Step 6: Final answer
    x = 1,665,965.70

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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.