Home / 5,638,398.56-7,781,048.16-3,060,101.60

Finding the Fourth Proportional to 5,638,398.56, 7,781,048.16 and 3,060,101.60

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Solution

The fourth proportional to 5,638,398.56, 7,781,048.16 and 3,060,101.60 is: 4,222,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,398.56 : 7,781,048.16 = 3,060,101.60 : x
  2. Step 2: Convert to fraction form
    5,638,398.56/7,781,048.16 = 3,060,101.60/x
  3. Step 3: Cross multiply
    5,638,398.56x = 7,781,048.16 × 3,060,101.60
  4. Step 4: Simplify right side
    5,638,398.56x = 23,810,797,924,093.06
  5. Step 5: Solve for x
    x = 23,810,797,924,093.06/5,638,398.56
  6. Step 6: Final answer
    x = 4,222,971.77

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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.