Home / 3,906,242.32-5,390,555.34-2,187,424.36

Finding the Fourth Proportional to 3,906,242.32, 5,390,555.34 and 2,187,424.36

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Solution

The fourth proportional to 3,906,242.32, 5,390,555.34 and 2,187,424.36 is: 3,018,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,242.32 : 5,390,555.34 = 2,187,424.36 : x
  2. Step 2: Convert to fraction form
    3,906,242.32/5,390,555.34 = 2,187,424.36/x
  3. Step 3: Cross multiply
    3,906,242.32x = 5,390,555.34 × 2,187,424.36
  4. Step 4: Simplify right side
    3,906,242.32x = 11,791,432,064,644.08
  5. Step 5: Solve for x
    x = 11,791,432,064,644.08/3,906,242.32
  6. Step 6: Final answer
    x = 3,018,612.54

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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.