Home / 4,789,391.23-7,180,272.21-2,765,339.20

Finding the Fourth Proportional to 4,789,391.23, 7,180,272.21 and 2,765,339.20

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Solution

The fourth proportional to 4,789,391.23, 7,180,272.21 and 2,765,339.20 is: 4,145,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789,391.23 : 7,180,272.21 = 2,765,339.20 : x
  2. Step 2: Convert to fraction form
    4,789,391.23/7,180,272.21 = 2,765,339.20/x
  3. Step 3: Cross multiply
    4,789,391.23x = 7,180,272.21 × 2,765,339.20
  4. Step 4: Simplify right side
    4,789,391.23x = 19,855,888,208,983.63
  5. Step 5: Solve for x
    x = 19,855,888,208,983.63/4,789,391.23
  6. Step 6: Final answer
    x = 4,145,806.27

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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.