Home / 2,831,691.72-3,907,620.16-1,730,966.59

Finding the Fourth Proportional to 2,831,691.72, 3,907,620.16 and 1,730,966.59

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Solution

The fourth proportional to 2,831,691.72, 3,907,620.16 and 1,730,966.59 is: 2,388,663.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,691.72 : 3,907,620.16 = 1,730,966.59 : x
  2. Step 2: Convert to fraction form
    2,831,691.72/3,907,620.16 = 1,730,966.59/x
  3. Step 3: Cross multiply
    2,831,691.72x = 3,907,620.16 × 1,730,966.59
  4. Step 4: Simplify right side
    2,831,691.72x = 6,763,959,943,927.56
  5. Step 5: Solve for x
    x = 6,763,959,943,927.56/2,831,691.72
  6. Step 6: Final answer
    x = 2,388,663.95

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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.