Home / 5,639,023.69-7,781,644.21-3,060,649.51

Finding the Fourth Proportional to 5,639,023.69, 7,781,644.21 and 3,060,649.51

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Solution

The fourth proportional to 5,639,023.69, 7,781,644.21 and 3,060,649.51 is: 4,223,583.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639,023.69 : 7,781,644.21 = 3,060,649.51 : x
  2. Step 2: Convert to fraction form
    5,639,023.69/7,781,644.21 = 3,060,649.51/x
  3. Step 3: Cross multiply
    5,639,023.69x = 7,781,644.21 × 3,060,649.51
  4. Step 4: Simplify right side
    5,639,023.69x = 23,816,885,538,330.84
  5. Step 5: Solve for x
    x = 23,816,885,538,330.84/5,639,023.69
  6. Step 6: Final answer
    x = 4,223,583.17

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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.