Home / 1,971,161.94-2,720,785.22-1,155,542.16

Finding the Fourth Proportional to 1,971,161.94, 2,720,785.22 and 1,155,542.16

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Solution

The fourth proportional to 1,971,161.94, 2,720,785.22 and 1,155,542.16 is: 1,594,989.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,161.94 : 2,720,785.22 = 1,155,542.16 : x
  2. Step 2: Convert to fraction form
    1,971,161.94/2,720,785.22 = 1,155,542.16/x
  3. Step 3: Cross multiply
    1,971,161.94x = 2,720,785.22 × 1,155,542.16
  4. Step 4: Simplify right side
    1,971,161.94x = 3,143,982,024,237.16
  5. Step 5: Solve for x
    x = 3,143,982,024,237.16/1,971,161.94
  6. Step 6: Final answer
    x = 1,594,989.21

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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.