Home / 3,122,130.83-4,683,507.48-847,691.73

Finding the Fourth Proportional to 3,122,130.83, 4,683,507.48 and 847,691.73

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Solution

The fourth proportional to 3,122,130.83, 4,683,507.48 and 847,691.73 is: 1,271,622.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122,130.83 : 4,683,507.48 = 847,691.73 : x
  2. Step 2: Convert to fraction form
    3,122,130.83/4,683,507.48 = 847,691.73/x
  3. Step 3: Cross multiply
    3,122,130.83x = 4,683,507.48 × 847,691.73
  4. Step 4: Simplify right side
    3,122,130.83x = 3,970,170,558,189.14
  5. Step 5: Solve for x
    x = 3,970,170,558,189.14/3,122,130.83
  6. Step 6: Final answer
    x = 1,271,622.10

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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.