Home / 1,914,395.95-2,641,832.20-1,043,238.21

Finding the Fourth Proportional to 1,914,395.95, 2,641,832.20 and 1,043,238.21

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Solution

The fourth proportional to 1,914,395.95, 2,641,832.20 and 1,043,238.21 is: 1,439,650.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,395.95 : 2,641,832.20 = 1,043,238.21 : x
  2. Step 2: Convert to fraction form
    1,914,395.95/2,641,832.20 = 1,043,238.21/x
  3. Step 3: Cross multiply
    1,914,395.95x = 2,641,832.20 × 1,043,238.21
  4. Step 4: Simplify right side
    1,914,395.95x = 2,756,060,295,448.36
  5. Step 5: Solve for x
    x = 2,756,060,295,448.36/1,914,395.95
  6. Step 6: Final answer
    x = 1,439,650.09

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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.