Home / 1,831,764.48-2,749,227.84-1,271,192.64

Finding the Fourth Proportional to 1,831,764.48, 2,749,227.84 and 1,271,192.64

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Solution

The fourth proportional to 1,831,764.48, 2,749,227.84 and 1,271,192.64 is: 1,907,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,831,764.48 : 2,749,227.84 = 1,271,192.64 : x
  2. Step 2: Convert to fraction form
    1,831,764.48/2,749,227.84 = 1,271,192.64/x
  3. Step 3: Cross multiply
    1,831,764.48x = 2,749,227.84 × 1,271,192.64
  4. Step 4: Simplify right side
    1,831,764.48x = 3,494,798,195,891.10
  5. Step 5: Solve for x
    x = 3,494,798,195,891.10/1,831,764.48
  6. Step 6: Final answer
    x = 1,907,886.21

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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.