Home / 3,179,801.80-4,768,061.10-935,648.20

Finding the Fourth Proportional to 3,179,801.80, 4,768,061.10 and 935,648.20

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Solution

The fourth proportional to 3,179,801.80, 4,768,061.10 and 935,648.20 is: 1,402,989.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179,801.80 : 4,768,061.10 = 935,648.20 : x
  2. Step 2: Convert to fraction form
    3,179,801.80/4,768,061.10 = 935,648.20/x
  3. Step 3: Cross multiply
    3,179,801.80x = 4,768,061.10 × 935,648.20
  4. Step 4: Simplify right side
    3,179,801.80x = 4,461,227,785,705.02
  5. Step 5: Solve for x
    x = 4,461,227,785,705.02/3,179,801.80
  6. Step 6: Final answer
    x = 1,402,989.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.