Home / 3,915,643.80-5,873,465.70-3,649,923.30

Finding the Fourth Proportional to 3,915,643.80, 5,873,465.70 and 3,649,923.30

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Solution

The fourth proportional to 3,915,643.80, 5,873,465.70 and 3,649,923.30 is: 5,474,884.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915,643.80 : 5,873,465.70 = 3,649,923.30 : x
  2. Step 2: Convert to fraction form
    3,915,643.80/5,873,465.70 = 3,649,923.30/x
  3. Step 3: Cross multiply
    3,915,643.80x = 5,873,465.70 × 3,649,923.30
  4. Step 4: Simplify right side
    3,915,643.80x = 21,437,699,310,180.81
  5. Step 5: Solve for x
    x = 21,437,699,310,180.81/3,915,643.80
  6. Step 6: Final answer
    x = 5,474,884.95

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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.