Home / 2,659,887.01-3,990,390.93-862,630.35

Finding the Fourth Proportional to 2,659,887.01, 3,990,390.93 and 862,630.35

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Solution

The fourth proportional to 2,659,887.01, 3,990,390.93 and 862,630.35 is: 1,294,127.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,887.01 : 3,990,390.93 = 862,630.35 : x
  2. Step 2: Convert to fraction form
    2,659,887.01/3,990,390.93 = 862,630.35/x
  3. Step 3: Cross multiply
    2,659,887.01x = 3,990,390.93 × 862,630.35
  4. Step 4: Simplify right side
    2,659,887.01x = 3,442,232,309,618.76
  5. Step 5: Solve for x
    x = 3,442,232,309,618.76/2,659,887.01
  6. Step 6: Final answer
    x = 1,294,127.27

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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.