Home / 6,640,219.81-9,163,261.42-3,699,884.98

Finding the Fourth Proportional to 6,640,219.81, 9,163,261.42 and 3,699,884.98

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Solution

The fourth proportional to 6,640,219.81, 9,163,261.42 and 3,699,884.98 is: 5,105,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,640,219.81 : 9,163,261.42 = 3,699,884.98 : x
  2. Step 2: Convert to fraction form
    6,640,219.81/9,163,261.42 = 3,699,884.98/x
  3. Step 3: Cross multiply
    6,640,219.81x = 9,163,261.42 × 3,699,884.98
  4. Step 4: Simplify right side
    6,640,219.81x = 33,903,013,295,671.47
  5. Step 5: Solve for x
    x = 33,903,013,295,671.47/6,640,219.81
  6. Step 6: Final answer
    x = 5,105,706.48

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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.