Home / 2,851,200-3,934,663.20-1,562,065.92

Finding the Fourth Proportional to 2,851,200, 3,934,663.20 and 1,562,065.92

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Solution

The fourth proportional to 2,851,200, 3,934,663.20 and 1,562,065.92 is: 2,155,654.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851,200 : 3,934,663.20 = 1,562,065.92 : x
  2. Step 2: Convert to fraction form
    2,851,200/3,934,663.20 = 1,562,065.92/x
  3. Step 3: Cross multiply
    2,851,200x = 3,934,663.20 × 1,562,065.92
  4. Step 4: Simplify right side
    2,851,200x = 6,146,203,291,398.14
  5. Step 5: Solve for x
    x = 6,146,203,291,398.14/2,851,200
  6. Step 6: Final answer
    x = 2,155,654.91

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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.