Home / 2,853,911.73-4,280,411.90-831,682.62

Finding the Fourth Proportional to 2,853,911.73, 4,280,411.90 and 831,682.62

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Solution

The fourth proportional to 2,853,911.73, 4,280,411.90 and 831,682.62 is: 1,247,391.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,853,911.73 : 4,280,411.90 = 831,682.62 : x
  2. Step 2: Convert to fraction form
    2,853,911.73/4,280,411.90 = 831,682.62/x
  3. Step 3: Cross multiply
    2,853,911.73x = 4,280,411.90 × 831,682.62
  4. Step 4: Simplify right side
    2,853,911.73x = 3,559,944,174,296.57
  5. Step 5: Solve for x
    x = 3,559,944,174,296.57/2,853,911.73
  6. Step 6: Final answer
    x = 1,247,391.13

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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.