Home / 4,120,988.61-5,686,764.39-2,285,519.70

Finding the Fourth Proportional to 4,120,988.61, 5,686,764.39 and 2,285,519.70

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Solution

The fourth proportional to 4,120,988.61, 5,686,764.39 and 2,285,519.70 is: 3,153,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,988.61 : 5,686,764.39 = 2,285,519.70 : x
  2. Step 2: Convert to fraction form
    4,120,988.61/5,686,764.39 = 2,285,519.70/x
  3. Step 3: Cross multiply
    4,120,988.61x = 5,686,764.39 × 2,285,519.70
  4. Step 4: Simplify right side
    4,120,988.61x = 12,997,212,042,603.48
  5. Step 5: Solve for x
    x = 12,997,212,042,603.48/4,120,988.61
  6. Step 6: Final answer
    x = 3,153,906.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.