Home / 3,855,838.83-5,321,058.08-2,137,070.31

Finding the Fourth Proportional to 3,855,838.83, 5,321,058.08 and 2,137,070.31

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Solution

The fourth proportional to 3,855,838.83, 5,321,058.08 and 2,137,070.31 is: 2,949,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,838.83 : 5,321,058.08 = 2,137,070.31 : x
  2. Step 2: Convert to fraction form
    3,855,838.83/5,321,058.08 = 2,137,070.31/x
  3. Step 3: Cross multiply
    3,855,838.83x = 5,321,058.08 × 2,137,070.31
  4. Step 4: Simplify right side
    3,855,838.83x = 11,371,475,240,553.61
  5. Step 5: Solve for x
    x = 11,371,475,240,553.61/3,855,838.83
  6. Step 6: Final answer
    x = 2,949,157.30

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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.