Home / 2,124,679.59-3,187,014.93-665,838

Finding the Fourth Proportional to 2,124,679.59, 3,187,014.93 and 665,838

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Solution

The fourth proportional to 2,124,679.59, 3,187,014.93 and 665,838 is: 998,755.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,679.59 : 3,187,014.93 = 665,838 : x
  2. Step 2: Convert to fraction form
    2,124,679.59/3,187,014.93 = 665,838/x
  3. Step 3: Cross multiply
    2,124,679.59x = 3,187,014.93 × 665,838
  4. Step 4: Simplify right side
    2,124,679.59x = 2,122,035,646,961.34
  5. Step 5: Solve for x
    x = 2,122,035,646,961.34/2,124,679.59
  6. Step 6: Final answer
    x = 998,755.60

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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.