Home / 5,157,572.66-7,117,033.34-2,982,256.90

Finding the Fourth Proportional to 5,157,572.66, 7,117,033.34 and 2,982,256.90

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Solution

The fourth proportional to 5,157,572.66, 7,117,033.34 and 2,982,256.90 is: 4,115,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,572.66 : 7,117,033.34 = 2,982,256.90 : x
  2. Step 2: Convert to fraction form
    5,157,572.66/7,117,033.34 = 2,982,256.90/x
  3. Step 3: Cross multiply
    5,157,572.66x = 7,117,033.34 × 2,982,256.90
  4. Step 4: Simplify right side
    5,157,572.66x = 21,224,821,785,745.04
  5. Step 5: Solve for x
    x = 21,224,821,785,745.04/5,157,572.66
  6. Step 6: Final answer
    x = 4,115,273.44

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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.