Home / 1,981,427.10-2,735,206.42-1,337,719.19

Finding the Fourth Proportional to 1,981,427.10, 2,735,206.42 and 1,337,719.19

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Solution

The fourth proportional to 1,981,427.10, 2,735,206.42 and 1,337,719.19 is: 1,846,617.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,981,427.10 : 2,735,206.42 = 1,337,719.19 : x
  2. Step 2: Convert to fraction form
    1,981,427.10/2,735,206.42 = 1,337,719.19/x
  3. Step 3: Cross multiply
    1,981,427.10x = 2,735,206.42 × 1,337,719.19
  4. Step 4: Simplify right side
    1,981,427.10x = 3,658,938,116,645.20
  5. Step 5: Solve for x
    x = 3,658,938,116,645.20/1,981,427.10
  6. Step 6: Final answer
    x = 1,846,617.58

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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.