Home / 4,685,142.39-6,465,450.95-2,620,134.48

Finding the Fourth Proportional to 4,685,142.39, 6,465,450.95 and 2,620,134.48

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Solution

The fourth proportional to 4,685,142.39, 6,465,450.95 and 2,620,134.48 is: 3,615,760.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,685,142.39 : 6,465,450.95 = 2,620,134.48 : x
  2. Step 2: Convert to fraction form
    4,685,142.39/6,465,450.95 = 2,620,134.48/x
  3. Step 3: Cross multiply
    4,685,142.39x = 6,465,450.95 × 2,620,134.48
  4. Step 4: Simplify right side
    4,685,142.39x = 16,940,350,949,743.08
  5. Step 5: Solve for x
    x = 16,940,350,949,743.08/4,685,142.39
  6. Step 6: Final answer
    x = 3,615,760.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.