Home / 3,678,509.76-5,073,467.70-2,389,765.32

Finding the Fourth Proportional to 3,678,509.76, 5,073,467.70 and 2,389,765.32

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Solution

The fourth proportional to 3,678,509.76, 5,073,467.70 and 2,389,765.32 is: 3,296,007.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,509.76 : 5,073,467.70 = 2,389,765.32 : x
  2. Step 2: Convert to fraction form
    3,678,509.76/5,073,467.70 = 2,389,765.32/x
  3. Step 3: Cross multiply
    3,678,509.76x = 5,073,467.70 × 2,389,765.32
  4. Step 4: Simplify right side
    3,678,509.76x = 12,124,397,161,600.16
  5. Step 5: Solve for x
    x = 12,124,397,161,600.16/3,678,509.76
  6. Step 6: Final answer
    x = 3,296,007.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.