Home / 4,800,409.30-7,200,621.24-1,960,521.45

Finding the Fourth Proportional to 4,800,409.30, 7,200,621.24 and 1,960,521.45

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Solution

The fourth proportional to 4,800,409.30, 7,200,621.24 and 1,960,521.45 is: 2,940,785.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,800,409.30 : 7,200,621.24 = 1,960,521.45 : x
  2. Step 2: Convert to fraction form
    4,800,409.30/7,200,621.24 = 1,960,521.45/x
  3. Step 3: Cross multiply
    4,800,409.30x = 7,200,621.24 × 1,960,521.45
  4. Step 4: Simplify right side
    4,800,409.30x = 14,116,972,400,494.81
  5. Step 5: Solve for x
    x = 14,116,972,400,494.81/4,800,409.30
  6. Step 6: Final answer
    x = 2,940,785.16

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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.