Home / 3,842,660.64-5,302,862.48-2,188,807.50

Finding the Fourth Proportional to 3,842,660.64, 5,302,862.48 and 2,188,807.50

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Solution

The fourth proportional to 3,842,660.64, 5,302,862.48 and 2,188,807.50 is: 3,020,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,660.64 : 5,302,862.48 = 2,188,807.50 : x
  2. Step 2: Convert to fraction form
    3,842,660.64/5,302,862.48 = 2,188,807.50/x
  3. Step 3: Cross multiply
    3,842,660.64x = 5,302,862.48 × 2,188,807.50
  4. Step 4: Simplify right side
    3,842,660.64x = 11,606,945,167,692.60
  5. Step 5: Solve for x
    x = 11,606,945,167,692.60/3,842,660.64
  6. Step 6: Final answer
    x = 3,020,549.11

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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.