Home / 4,800,409.20-7,200,621.09-1,960,521.36

Finding the Fourth Proportional to 4,800,409.20, 7,200,621.09 and 1,960,521.36

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Solution

The fourth proportional to 4,800,409.20, 7,200,621.09 and 1,960,521.36 is: 2,940,785.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800,409.20 : 7,200,621.09 = 1,960,521.36 : x
  2. Step 2: Convert to fraction form
    4,800,409.20/7,200,621.09 = 1,960,521.36/x
  3. Step 3: Cross multiply
    4,800,409.20x = 7,200,621.09 × 1,960,521.36
  4. Step 4: Simplify right side
    4,800,409.20x = 14,116,971,452,211.48
  5. Step 5: Solve for x
    x = 14,116,971,452,211.48/4,800,409.20
  6. Step 6: Final answer
    x = 2,940,785.02

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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.