Home / 5,338,772.36-8,009,188.86-1,743,572.78

Finding the Fourth Proportional to 5,338,772.36, 8,009,188.86 and 1,743,572.78

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Solution

The fourth proportional to 5,338,772.36, 8,009,188.86 and 1,743,572.78 is: 2,615,695.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,772.36 : 8,009,188.86 = 1,743,572.78 : x
  2. Step 2: Convert to fraction form
    5,338,772.36/8,009,188.86 = 1,743,572.78/x
  3. Step 3: Cross multiply
    5,338,772.36x = 8,009,188.86 × 1,743,572.78
  4. Step 4: Simplify right side
    5,338,772.36x = 13,964,603,686,175.23
  5. Step 5: Solve for x
    x = 13,964,603,686,175.23/5,338,772.36
  6. Step 6: Final answer
    x = 2,615,695.66

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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.