Home / 2,157,950-3,237,080.52-828,254

Finding the Fourth Proportional to 2,157,950, 3,237,080.52 and 828,254

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Solution

The fourth proportional to 2,157,950, 3,237,080.52 and 828,254 is: 1,242,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,950 : 3,237,080.52 = 828,254 : x
  2. Step 2: Convert to fraction form
    2,157,950/3,237,080.52 = 828,254/x
  3. Step 3: Cross multiply
    2,157,950x = 3,237,080.52 × 828,254
  4. Step 4: Simplify right side
    2,157,950x = 2,681,124,889,012.08
  5. Step 5: Solve for x
    x = 2,681,124,889,012.08/2,157,950
  6. Step 6: Final answer
    x = 1,242,440.69

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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.