Home / 2,146,136.40-3,219,636.60-629,816.40

Finding the Fourth Proportional to 2,146,136.40, 3,219,636.60 and 629,816.40

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Solution

The fourth proportional to 2,146,136.40, 3,219,636.60 and 629,816.40 is: 944,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146,136.40 : 3,219,636.60 = 629,816.40 : x
  2. Step 2: Convert to fraction form
    2,146,136.40/3,219,636.60 = 629,816.40/x
  3. Step 3: Cross multiply
    2,146,136.40x = 3,219,636.60 × 629,816.40
  4. Step 4: Simplify right side
    2,146,136.40x = 2,027,779,932,720.24
  5. Step 5: Solve for x
    x = 2,027,779,932,720.24/2,146,136.40
  6. Step 6: Final answer
    x = 944,851.38

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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.