Home / 2,109,924.58-2,911,692.40-1,143,079.42

Finding the Fourth Proportional to 2,109,924.58, 2,911,692.40 and 1,143,079.42

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Solution

The fourth proportional to 2,109,924.58, 2,911,692.40 and 1,143,079.42 is: 1,577,447.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,924.58 : 2,911,692.40 = 1,143,079.42 : x
  2. Step 2: Convert to fraction form
    2,109,924.58/2,911,692.40 = 1,143,079.42/x
  3. Step 3: Cross multiply
    2,109,924.58x = 2,911,692.40 × 1,143,079.42
  4. Step 4: Simplify right side
    2,109,924.58x = 3,328,295,659,810.41
  5. Step 5: Solve for x
    x = 3,328,295,659,810.41/2,109,924.58
  6. Step 6: Final answer
    x = 1,577,447.69

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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.