Home / 3,077,911.62-4,617,099.50-918,766.21

Finding the Fourth Proportional to 3,077,911.62, 4,617,099.50 and 918,766.21

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Solution

The fourth proportional to 3,077,911.62, 4,617,099.50 and 918,766.21 is: 1,378,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077,911.62 : 4,617,099.50 = 918,766.21 : x
  2. Step 2: Convert to fraction form
    3,077,911.62/4,617,099.50 = 918,766.21/x
  3. Step 3: Cross multiply
    3,077,911.62x = 4,617,099.50 × 918,766.21
  4. Step 4: Simplify right side
    3,077,911.62x = 4,242,035,008,807.90
  5. Step 5: Solve for x
    x = 4,242,035,008,807.90/3,077,911.62
  6. Step 6: Final answer
    x = 1,378,218.59

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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.