Home / 4,293,988.87-6,440,979.20-1,099,109.92

Finding the Fourth Proportional to 4,293,988.87, 6,440,979.20 and 1,099,109.92

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Solution

The fourth proportional to 4,293,988.87, 6,440,979.20 and 1,099,109.92 is: 1,648,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,293,988.87 : 6,440,979.20 = 1,099,109.92 : x
  2. Step 2: Convert to fraction form
    4,293,988.87/6,440,979.20 = 1,099,109.92/x
  3. Step 3: Cross multiply
    4,293,988.87x = 6,440,979.20 × 1,099,109.92
  4. Step 4: Simplify right side
    4,293,988.87x = 7,079,344,127,738.11
  5. Step 5: Solve for x
    x = 7,079,344,127,738.11/4,293,988.87
  6. Step 6: Final answer
    x = 1,648,663.83

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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.