Home / 3,009,193.80-4,512,740.88-1,325,378.76

Finding the Fourth Proportional to 3,009,193.80, 4,512,740.88 and 1,325,378.76

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Solution

The fourth proportional to 3,009,193.80, 4,512,740.88 and 1,325,378.76 is: 1,987,605.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,009,193.80 : 4,512,740.88 = 1,325,378.76 : x
  2. Step 2: Convert to fraction form
    3,009,193.80/4,512,740.88 = 1,325,378.76/x
  3. Step 3: Cross multiply
    3,009,193.80x = 4,512,740.88 × 1,325,378.76
  4. Step 4: Simplify right side
    3,009,193.80x = 5,981,090,911,735.71
  5. Step 5: Solve for x
    x = 5,981,090,911,735.71/3,009,193.80
  6. Step 6: Final answer
    x = 1,987,605.75

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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.