Home / 2,122,756.04-3,198,312.95-1,920,611.26

Finding the Fourth Proportional to 2,122,756.04, 3,198,312.95 and 1,920,611.26

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Solution

The fourth proportional to 2,122,756.04, 3,198,312.95 and 1,920,611.26 is: 2,893,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,756.04 : 3,198,312.95 = 1,920,611.26 : x
  2. Step 2: Convert to fraction form
    2,122,756.04/3,198,312.95 = 1,920,611.26/x
  3. Step 3: Cross multiply
    2,122,756.04x = 3,198,312.95 × 1,920,611.26
  4. Step 4: Simplify right side
    2,122,756.04x = 6,142,715,866,378.56
  5. Step 5: Solve for x
    x = 6,142,715,866,378.56/2,122,756.04
  6. Step 6: Final answer
    x = 2,893,745.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.