Home / 4,158,918.48-6,238,972.82-1,280,528.85

Finding the Fourth Proportional to 4,158,918.48, 6,238,972.82 and 1,280,528.85

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Solution

The fourth proportional to 4,158,918.48, 6,238,972.82 and 1,280,528.85 is: 1,920,976.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158,918.48 : 6,238,972.82 = 1,280,528.85 : x
  2. Step 2: Convert to fraction form
    4,158,918.48/6,238,972.82 = 1,280,528.85/x
  3. Step 3: Cross multiply
    4,158,918.48x = 6,238,972.82 × 1,280,528.85
  4. Step 4: Simplify right side
    4,158,918.48x = 7,989,184,690,375.86
  5. Step 5: Solve for x
    x = 7,989,184,690,375.86/4,158,918.48
  6. Step 6: Final answer
    x = 1,920,976.51

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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.