Home / 2,785,812.12-4,178,601.42-892,511.64

Finding the Fourth Proportional to 2,785,812.12, 4,178,601.42 and 892,511.64

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Solution

The fourth proportional to 2,785,812.12, 4,178,601.42 and 892,511.64 is: 1,338,730.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,812.12 : 4,178,601.42 = 892,511.64 : x
  2. Step 2: Convert to fraction form
    2,785,812.12/4,178,601.42 = 892,511.64/x
  3. Step 3: Cross multiply
    2,785,812.12x = 4,178,601.42 × 892,511.64
  4. Step 4: Simplify right side
    2,785,812.12x = 3,729,450,406,270.53
  5. Step 5: Solve for x
    x = 3,729,450,406,270.53/2,785,812.12
  6. Step 6: Final answer
    x = 1,338,730.05

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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.