Home / 2,465,107.20-3,690,403.20-1,836,806.40

Finding the Fourth Proportional to 2,465,107.20, 3,690,403.20 and 1,836,806.40

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Solution

The fourth proportional to 2,465,107.20, 3,690,403.20 and 1,836,806.40 is: 2,749,801.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,465,107.20 : 3,690,403.20 = 1,836,806.40 : x
  2. Step 2: Convert to fraction form
    2,465,107.20/3,690,403.20 = 1,836,806.40/x
  3. Step 3: Cross multiply
    2,465,107.20x = 3,690,403.20 × 1,836,806.40
  4. Step 4: Simplify right side
    2,465,107.20x = 6,778,556,216,340.48
  5. Step 5: Solve for x
    x = 6,778,556,216,340.48/2,465,107.20
  6. Step 6: Final answer
    x = 2,749,801.80

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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.