Home / 3,108,390.75-4,662,848.61-864,528.75

Finding the Fourth Proportional to 3,108,390.75, 4,662,848.61 and 864,528.75

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Solution

The fourth proportional to 3,108,390.75, 4,662,848.61 and 864,528.75 is: 1,296,866.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,390.75 : 4,662,848.61 = 864,528.75 : x
  2. Step 2: Convert to fraction form
    3,108,390.75/4,662,848.61 = 864,528.75/x
  3. Step 3: Cross multiply
    3,108,390.75x = 4,662,848.61 × 864,528.75
  4. Step 4: Simplify right side
    3,108,390.75x = 4,031,166,680,242.54
  5. Step 5: Solve for x
    x = 4,031,166,680,242.54/3,108,390.75
  6. Step 6: Final answer
    x = 1,296,866.13

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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.