Home / 2,844,813.42-3,929,075.96-1,912,899.92

Finding the Fourth Proportional to 2,844,813.42, 3,929,075.96 and 1,912,899.92

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Solution

The fourth proportional to 2,844,813.42, 3,929,075.96 and 1,912,899.92 is: 2,641,976.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,844,813.42 : 3,929,075.96 = 1,912,899.92 : x
  2. Step 2: Convert to fraction form
    2,844,813.42/3,929,075.96 = 1,912,899.92/x
  3. Step 3: Cross multiply
    2,844,813.42x = 3,929,075.96 × 1,912,899.92
  4. Step 4: Simplify right side
    2,844,813.42x = 7,515,929,060,348.04
  5. Step 5: Solve for x
    x = 7,515,929,060,348.04/2,844,813.42
  6. Step 6: Final answer
    x = 2,641,976.10

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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.