Home / 3,768,473.40-5,655,129.30-2,086,783.80

Finding the Fourth Proportional to 3,768,473.40, 5,655,129.30 and 2,086,783.80

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Solution

The fourth proportional to 3,768,473.40, 5,655,129.30 and 2,086,783.80 is: 3,131,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768,473.40 : 5,655,129.30 = 2,086,783.80 : x
  2. Step 2: Convert to fraction form
    3,768,473.40/5,655,129.30 = 2,086,783.80/x
  3. Step 3: Cross multiply
    3,768,473.40x = 5,655,129.30 × 2,086,783.80
  4. Step 4: Simplify right side
    3,768,473.40x = 11,801,032,210,145.34
  5. Step 5: Solve for x
    x = 11,801,032,210,145.34/3,768,473.40
  6. Step 6: Final answer
    x = 3,131,515.33

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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.