Home / 2,250,045.81-3,105,071.45-1,217,553.60

Finding the Fourth Proportional to 2,250,045.81, 3,105,071.45 and 1,217,553.60

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Solution

The fourth proportional to 2,250,045.81, 3,105,071.45 and 1,217,553.60 is: 1,680,228.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250,045.81 : 3,105,071.45 = 1,217,553.60 : x
  2. Step 2: Convert to fraction form
    2,250,045.81/3,105,071.45 = 1,217,553.60/x
  3. Step 3: Cross multiply
    2,250,045.81x = 3,105,071.45 × 1,217,553.60
  4. Step 4: Simplify right side
    2,250,045.81x = 3,780,590,922,204.72
  5. Step 5: Solve for x
    x = 3,780,590,922,204.72/2,250,045.81
  6. Step 6: Final answer
    x = 1,680,228.42

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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.