Home / 2,819,205.81-3,890,506.70-1,530,046.61

Finding the Fourth Proportional to 2,819,205.81, 3,890,506.70 and 1,530,046.61

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Solution

The fourth proportional to 2,819,205.81, 3,890,506.70 and 1,530,046.61 is: 2,111,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,205.81 : 3,890,506.70 = 1,530,046.61 : x
  2. Step 2: Convert to fraction form
    2,819,205.81/3,890,506.70 = 1,530,046.61/x
  3. Step 3: Cross multiply
    2,819,205.81x = 3,890,506.70 × 1,530,046.61
  4. Step 4: Simplify right side
    2,819,205.81x = 5,952,656,599,756.86
  5. Step 5: Solve for x
    x = 5,952,656,599,756.86/2,819,205.81
  6. Step 6: Final answer
    x = 2,111,465.78

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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.