Home / 2,381,156.81-3,286,055.66-1,293,428.06

Finding the Fourth Proportional to 2,381,156.81, 3,286,055.66 and 1,293,428.06

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Solution

The fourth proportional to 2,381,156.81, 3,286,055.66 and 1,293,428.06 is: 1,784,962.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,156.81 : 3,286,055.66 = 1,293,428.06 : x
  2. Step 2: Convert to fraction form
    2,381,156.81/3,286,055.66 = 1,293,428.06/x
  3. Step 3: Cross multiply
    2,381,156.81x = 3,286,055.66 × 1,293,428.06
  4. Step 4: Simplify right side
    2,381,156.81x = 4,250,276,597,365.82
  5. Step 5: Solve for x
    x = 4,250,276,597,365.82/2,381,156.81
  6. Step 6: Final answer
    x = 1,784,962.91

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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.