Home / 3,887,761.04-5,365,112.54-2,168,881.55

Finding the Fourth Proportional to 3,887,761.04, 5,365,112.54 and 2,168,881.55

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Solution

The fourth proportional to 3,887,761.04, 5,365,112.54 and 2,168,881.55 is: 2,993,057.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,761.04 : 5,365,112.54 = 2,168,881.55 : x
  2. Step 2: Convert to fraction form
    3,887,761.04/5,365,112.54 = 2,168,881.55/x
  3. Step 3: Cross multiply
    3,887,761.04x = 5,365,112.54 × 2,168,881.55
  4. Step 4: Simplify right side
    3,887,761.04x = 11,636,293,564,009.67
  5. Step 5: Solve for x
    x = 11,636,293,564,009.67/3,887,761.04
  6. Step 6: Final answer
    x = 2,993,057.82

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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.