Home / 2,021,386.26-2,789,195.90-1,161,785.90

Finding the Fourth Proportional to 2,021,386.26, 2,789,195.90 and 1,161,785.90

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Solution

The fourth proportional to 2,021,386.26, 2,789,195.90 and 1,161,785.90 is: 1,603,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,386.26 : 2,789,195.90 = 1,161,785.90 : x
  2. Step 2: Convert to fraction form
    2,021,386.26/2,789,195.90 = 1,161,785.90/x
  3. Step 3: Cross multiply
    2,021,386.26x = 2,789,195.90 × 1,161,785.90
  4. Step 4: Simplify right side
    2,021,386.26x = 3,240,448,468,957.81
  5. Step 5: Solve for x
    x = 3,240,448,468,957.81/2,021,386.26
  6. Step 6: Final answer
    x = 1,603,082.27

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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.