Home / 3,993,208.80-5,985,730.80-1,968,338.40

Finding the Fourth Proportional to 3,993,208.80, 5,985,730.80 and 1,968,338.40

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Solution

The fourth proportional to 3,993,208.80, 5,985,730.80 and 1,968,338.40 is: 2,950,495.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993,208.80 : 5,985,730.80 = 1,968,338.40 : x
  2. Step 2: Convert to fraction form
    3,993,208.80/5,985,730.80 = 1,968,338.40/x
  3. Step 3: Cross multiply
    3,993,208.80x = 5,985,730.80 × 1,968,338.40
  4. Step 4: Simplify right side
    3,993,208.80x = 11,781,943,785,702.72
  5. Step 5: Solve for x
    x = 11,781,943,785,702.72/3,993,208.80
  6. Step 6: Final answer
    x = 2,950,495.30

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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.