Home / 3,759,503.76-5,187,980.91-2,127,876.06

Finding the Fourth Proportional to 3,759,503.76, 5,187,980.91 and 2,127,876.06

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Solution

The fourth proportional to 3,759,503.76, 5,187,980.91 and 2,127,876.06 is: 2,936,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,503.76 : 5,187,980.91 = 2,127,876.06 : x
  2. Step 2: Convert to fraction form
    3,759,503.76/5,187,980.91 = 2,127,876.06/x
  3. Step 3: Cross multiply
    3,759,503.76x = 5,187,980.91 × 2,127,876.06
  4. Step 4: Simplify right side
    3,759,503.76x = 11,039,380,378,126.02
  5. Step 5: Solve for x
    x = 11,039,380,378,126.02/3,759,503.76
  6. Step 6: Final answer
    x = 2,936,392.96

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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.