Home / 3,783,720-5,221,643.68-2,064,951.28

Finding the Fourth Proportional to 3,783,720, 5,221,643.68 and 2,064,951.28

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Solution

The fourth proportional to 3,783,720, 5,221,643.68 and 2,064,951.28 is: 2,849,692.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783,720 : 5,221,643.68 = 2,064,951.28 : x
  2. Step 2: Convert to fraction form
    3,783,720/5,221,643.68 = 2,064,951.28/x
  3. Step 3: Cross multiply
    3,783,720x = 5,221,643.68 × 2,064,951.28
  4. Step 4: Simplify right side
    3,783,720x = 10,782,439,800,719.91
  5. Step 5: Solve for x
    x = 10,782,439,800,719.91/3,783,720
  6. Step 6: Final answer
    x = 2,849,692.84

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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.