Home / 2,122,713.98-2,928,956.10-1,251,821.88

Finding the Fourth Proportional to 2,122,713.98, 2,928,956.10 and 1,251,821.88

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Solution

The fourth proportional to 2,122,713.98, 2,928,956.10 and 1,251,821.88 is: 1,727,284.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,713.98 : 2,928,956.10 = 1,251,821.88 : x
  2. Step 2: Convert to fraction form
    2,122,713.98/2,928,956.10 = 1,251,821.88/x
  3. Step 3: Cross multiply
    2,122,713.98x = 2,928,956.10 × 1,251,821.88
  4. Step 4: Simplify right side
    2,122,713.98x = 3,666,531,331,539.47
  5. Step 5: Solve for x
    x = 3,666,531,331,539.47/2,122,713.98
  6. Step 6: Final answer
    x = 1,727,284.68

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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.