Home / 2,981,065.05-4,113,869.70-1,622,938.05

Finding the Fourth Proportional to 2,981,065.05, 4,113,869.70 and 1,622,938.05

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Solution

The fourth proportional to 2,981,065.05, 4,113,869.70 and 1,622,938.05 is: 2,239,654.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,065.05 : 4,113,869.70 = 1,622,938.05 : x
  2. Step 2: Convert to fraction form
    2,981,065.05/4,113,869.70 = 1,622,938.05/x
  3. Step 3: Cross multiply
    2,981,065.05x = 4,113,869.70 × 1,622,938.05
  4. Step 4: Simplify right side
    2,981,065.05x = 6,676,555,668,872.09
  5. Step 5: Solve for x
    x = 6,676,555,668,872.09/2,981,065.05
  6. Step 6: Final answer
    x = 2,239,654.47

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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.