Home / 3,865,211.20-5,797,816.80-1,341,121.60

Finding the Fourth Proportional to 3,865,211.20, 5,797,816.80 and 1,341,121.60

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Solution

The fourth proportional to 3,865,211.20, 5,797,816.80 and 1,341,121.60 is: 2,011,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865,211.20 : 5,797,816.80 = 1,341,121.60 : x
  2. Step 2: Convert to fraction form
    3,865,211.20/5,797,816.80 = 1,341,121.60/x
  3. Step 3: Cross multiply
    3,865,211.20x = 5,797,816.80 × 1,341,121.60
  4. Step 4: Simplify right side
    3,865,211.20x = 7,775,577,343,322.88
  5. Step 5: Solve for x
    x = 7,775,577,343,322.88/3,865,211.20
  6. Step 6: Final answer
    x = 2,011,682.40

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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.