Home / 2,872,381.20-4,309,203.60-850,783.20

Finding the Fourth Proportional to 2,872,381.20, 4,309,203.60 and 850,783.20

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Solution

The fourth proportional to 2,872,381.20, 4,309,203.60 and 850,783.20 is: 1,276,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,381.20 : 4,309,203.60 = 850,783.20 : x
  2. Step 2: Convert to fraction form
    2,872,381.20/4,309,203.60 = 850,783.20/x
  3. Step 3: Cross multiply
    2,872,381.20x = 4,309,203.60 × 850,783.20
  4. Step 4: Simplify right side
    2,872,381.20x = 3,666,198,028,259.52
  5. Step 5: Solve for x
    x = 3,666,198,028,259.52/2,872,381.20
  6. Step 6: Final answer
    x = 1,276,361.94

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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.