Home / 3,847,520.80-5,769,920.40-1,322,588.80

Finding the Fourth Proportional to 3,847,520.80, 5,769,920.40 and 1,322,588.80

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Solution

The fourth proportional to 3,847,520.80, 5,769,920.40 and 1,322,588.80 is: 1,983,415.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,520.80 : 5,769,920.40 = 1,322,588.80 : x
  2. Step 2: Convert to fraction form
    3,847,520.80/5,769,920.40 = 1,322,588.80/x
  3. Step 3: Cross multiply
    3,847,520.80x = 5,769,920.40 × 1,322,588.80
  4. Step 4: Simplify right side
    3,847,520.80x = 7,631,232,097,931.52
  5. Step 5: Solve for x
    x = 7,631,232,097,931.52/3,847,520.80
  6. Step 6: Final answer
    x = 1,983,415.42

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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.