Home / 2,759,131.63-4,139,320.11-840,214.54

Finding the Fourth Proportional to 2,759,131.63, 4,139,320.11 and 840,214.54

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Solution

The fourth proportional to 2,759,131.63, 4,139,320.11 and 840,214.54 is: 1,260,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,759,131.63 : 4,139,320.11 = 840,214.54 : x
  2. Step 2: Convert to fraction form
    2,759,131.63/4,139,320.11 = 840,214.54/x
  3. Step 3: Cross multiply
    2,759,131.63x = 4,139,320.11 × 840,214.54
  4. Step 4: Simplify right side
    2,759,131.63x = 3,477,916,942,136.40
  5. Step 5: Solve for x
    x = 3,477,916,942,136.40/2,759,131.63
  6. Step 6: Final answer
    x = 1,260,511.42

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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.