Home / 2,143,425.98-2,957,971.77-1,213,133.66

Finding the Fourth Proportional to 2,143,425.98, 2,957,971.77 and 1,213,133.66

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Solution

The fourth proportional to 2,143,425.98, 2,957,971.77 and 1,213,133.66 is: 1,674,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,425.98 : 2,957,971.77 = 1,213,133.66 : x
  2. Step 2: Convert to fraction form
    2,143,425.98/2,957,971.77 = 1,213,133.66/x
  3. Step 3: Cross multiply
    2,143,425.98x = 2,957,971.77 × 1,213,133.66
  4. Step 4: Simplify right side
    2,143,425.98x = 3,588,415,104,726.92
  5. Step 5: Solve for x
    x = 3,588,415,104,726.92/2,143,425.98
  6. Step 6: Final answer
    x = 1,674,149.30

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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.