Home / 3,774,520.84-5,208,986.24-2,143,080.20

Finding the Fourth Proportional to 3,774,520.84, 5,208,986.24 and 2,143,080.20

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Solution

The fourth proportional to 3,774,520.84, 5,208,986.24 and 2,143,080.20 is: 2,957,534.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774,520.84 : 5,208,986.24 = 2,143,080.20 : x
  2. Step 2: Convert to fraction form
    3,774,520.84/5,208,986.24 = 2,143,080.20/x
  3. Step 3: Cross multiply
    3,774,520.84x = 5,208,986.24 × 2,143,080.20
  4. Step 4: Simplify right side
    3,774,520.84x = 11,163,275,273,016.45
  5. Step 5: Solve for x
    x = 11,163,275,273,016.45/3,774,520.84
  6. Step 6: Final answer
    x = 2,957,534.41

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Double scale
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1.5x scale

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.