Home / 1,933,040.10-2,899,560.15-1,921,230.30

Finding the Fourth Proportional to 1,933,040.10, 2,899,560.15 and 1,921,230.30

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Solution

The fourth proportional to 1,933,040.10, 2,899,560.15 and 1,921,230.30 is: 2,881,845.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,933,040.10 : 2,899,560.15 = 1,921,230.30 : x
  2. Step 2: Convert to fraction form
    1,933,040.10/2,899,560.15 = 1,921,230.30/x
  3. Step 3: Cross multiply
    1,933,040.10x = 2,899,560.15 × 1,921,230.30
  4. Step 4: Simplify right side
    1,933,040.10x = 5,570,722,816,852.55
  5. Step 5: Solve for x
    x = 5,570,722,816,852.55/1,933,040.10
  6. Step 6: Final answer
    x = 2,881,845.45

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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.