Home / 2,660,051.57-3,990,638.50-862,795.49

Finding the Fourth Proportional to 2,660,051.57, 3,990,638.50 and 862,795.49

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Solution

The fourth proportional to 2,660,051.57, 3,990,638.50 and 862,795.49 is: 1,294,375.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,051.57 : 3,990,638.50 = 862,795.49 : x
  2. Step 2: Convert to fraction form
    2,660,051.57/3,990,638.50 = 862,795.49/x
  3. Step 3: Cross multiply
    2,660,051.57x = 3,990,638.50 × 862,795.49
  4. Step 4: Simplify right side
    2,660,051.57x = 3,443,104,877,910.18
  5. Step 5: Solve for x
    x = 3,443,104,877,910.18/2,660,051.57
  6. Step 6: Final answer
    x = 1,294,375.24

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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.