Home / 2,136,985.20-3,200,389.20-1,236,529.26

Finding the Fourth Proportional to 2,136,985.20, 3,200,389.20 and 1,236,529.26

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Solution

The fourth proportional to 2,136,985.20, 3,200,389.20 and 1,236,529.26 is: 1,851,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,985.20 : 3,200,389.20 = 1,236,529.26 : x
  2. Step 2: Convert to fraction form
    2,136,985.20/3,200,389.20 = 1,236,529.26/x
  3. Step 3: Cross multiply
    2,136,985.20x = 3,200,389.20 × 1,236,529.26
  4. Step 4: Simplify right side
    2,136,985.20x = 3,957,374,889,187.99
  5. Step 5: Solve for x
    x = 3,957,374,889,187.99/2,136,985.20
  6. Step 6: Final answer
    x = 1,851,849.46

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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.