Home / 1,864,021.07-2,796,003.51-838,627.21

Finding the Fourth Proportional to 1,864,021.07, 2,796,003.51 and 838,627.21

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Solution

The fourth proportional to 1,864,021.07, 2,796,003.51 and 838,627.21 is: 1,257,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,021.07 : 2,796,003.51 = 838,627.21 : x
  2. Step 2: Convert to fraction form
    1,864,021.07/2,796,003.51 = 838,627.21/x
  3. Step 3: Cross multiply
    1,864,021.07x = 2,796,003.51 × 838,627.21
  4. Step 4: Simplify right side
    1,864,021.07x = 2,344,804,608,761.49
  5. Step 5: Solve for x
    x = 2,344,804,608,761.49/1,864,021.07
  6. Step 6: Final answer
    x = 1,257,928.17

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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.