Home / 5,288,786.82-7,935,421.64-2,889,828.72

Finding the Fourth Proportional to 5,288,786.82, 7,935,421.64 and 2,889,828.72

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Solution

The fourth proportional to 5,288,786.82, 7,935,421.64 and 2,889,828.72 is: 4,335,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288,786.82 : 7,935,421.64 = 2,889,828.72 : x
  2. Step 2: Convert to fraction form
    5,288,786.82/7,935,421.64 = 2,889,828.72/x
  3. Step 3: Cross multiply
    5,288,786.82x = 7,935,421.64 × 2,889,828.72
  4. Step 4: Simplify right side
    5,288,786.82x = 22,932,009,346,132.36
  5. Step 5: Solve for x
    x = 22,932,009,346,132.36/5,288,786.82
  6. Step 6: Final answer
    x = 4,335,967.80

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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.