Home / 3,108,437.40-4,662,918.42-864,575.40

Finding the Fourth Proportional to 3,108,437.40, 4,662,918.42 and 864,575.40

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Solution

The fourth proportional to 3,108,437.40, 4,662,918.42 and 864,575.40 is: 1,296,936.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,437.40 : 4,662,918.42 = 864,575.40 : x
  2. Step 2: Convert to fraction form
    3,108,437.40/4,662,918.42 = 864,575.40/x
  3. Step 3: Cross multiply
    3,108,437.40x = 4,662,918.42 × 864,575.40
  4. Step 4: Simplify right side
    3,108,437.40x = 4,031,444,558,138.87
  5. Step 5: Solve for x
    x = 4,031,444,558,138.87/3,108,437.40
  6. Step 6: Final answer
    x = 1,296,936.06

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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.