Home / 2,981,692.80-4,473,122.40-1,275,832.80

Finding the Fourth Proportional to 2,981,692.80, 4,473,122.40 and 1,275,832.80

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Solution

The fourth proportional to 2,981,692.80, 4,473,122.40 and 1,275,832.80 is: 1,913,998.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,692.80 : 4,473,122.40 = 1,275,832.80 : x
  2. Step 2: Convert to fraction form
    2,981,692.80/4,473,122.40 = 1,275,832.80/x
  3. Step 3: Cross multiply
    2,981,692.80x = 4,473,122.40 × 1,275,832.80
  4. Step 4: Simplify right side
    2,981,692.80x = 5,706,956,276,334.72
  5. Step 5: Solve for x
    x = 5,706,956,276,334.72/2,981,692.80
  6. Step 6: Final answer
    x = 1,913,998.74

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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.