Home / 2,981,030.40-4,471,142.40-1,185,235.20

Finding the Fourth Proportional to 2,981,030.40, 4,471,142.40 and 1,185,235.20

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Solution

The fourth proportional to 2,981,030.40, 4,471,142.40 and 1,185,235.20 is: 1,777,692.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,030.40 : 4,471,142.40 = 1,185,235.20 : x
  2. Step 2: Convert to fraction form
    2,981,030.40/4,471,142.40 = 1,185,235.20/x
  3. Step 3: Cross multiply
    2,981,030.40x = 4,471,142.40 × 1,185,235.20
  4. Step 4: Simplify right side
    2,981,030.40x = 5,299,355,356,692.48
  5. Step 5: Solve for x
    x = 5,299,355,356,692.48/2,981,030.40
  6. Step 6: Final answer
    x = 1,777,692.49

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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.