Home / 3,102,239.20-4,653,462.48-858,189.28

Finding the Fourth Proportional to 3,102,239.20, 4,653,462.48 and 858,189.28

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Solution

The fourth proportional to 3,102,239.20, 4,653,462.48 and 858,189.28 is: 1,287,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,239.20 : 4,653,462.48 = 858,189.28 : x
  2. Step 2: Convert to fraction form
    3,102,239.20/4,653,462.48 = 858,189.28/x
  3. Step 3: Cross multiply
    3,102,239.20x = 4,653,462.48 × 858,189.28
  4. Step 4: Simplify right side
    3,102,239.20x = 3,993,551,615,218.22
  5. Step 5: Solve for x
    x = 3,993,551,615,218.22/3,102,239.20
  6. Step 6: Final answer
    x = 1,287,312.60

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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.