Home / 2,183,613.80-3,275,420.70-1,342,639.40

Finding the Fourth Proportional to 2,183,613.80, 3,275,420.70 and 1,342,639.40

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Solution

The fourth proportional to 2,183,613.80, 3,275,420.70 and 1,342,639.40 is: 2,013,959.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,613.80 : 3,275,420.70 = 1,342,639.40 : x
  2. Step 2: Convert to fraction form
    2,183,613.80/3,275,420.70 = 1,342,639.40/x
  3. Step 3: Cross multiply
    2,183,613.80x = 3,275,420.70 × 1,342,639.40
  4. Step 4: Simplify right side
    2,183,613.80x = 4,397,708,883,395.58
  5. Step 5: Solve for x
    x = 4,397,708,883,395.58/2,183,613.80
  6. Step 6: Final answer
    x = 2,013,959.10

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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.