Home / 2,185,740.90-3,276,205.65-765,065.70

Finding the Fourth Proportional to 2,185,740.90, 3,276,205.65 and 765,065.70

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Solution

The fourth proportional to 2,185,740.90, 3,276,205.65 and 765,065.70 is: 1,146,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,740.90 : 3,276,205.65 = 765,065.70 : x
  2. Step 2: Convert to fraction form
    2,185,740.90/3,276,205.65 = 765,065.70/x
  3. Step 3: Cross multiply
    2,185,740.90x = 3,276,205.65 × 765,065.70
  4. Step 4: Simplify right side
    2,185,740.90x = 2,506,512,568,961.20
  5. Step 5: Solve for x
    x = 2,506,512,568,961.20/2,185,740.90
  6. Step 6: Final answer
    x = 1,146,756.49

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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.