Home / 2,812,993.32-4,219,431.65-683,088.60

Finding the Fourth Proportional to 2,812,993.32, 4,219,431.65 and 683,088.60

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Solution

The fourth proportional to 2,812,993.32, 4,219,431.65 and 683,088.60 is: 1,024,618.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,993.32 : 4,219,431.65 = 683,088.60 : x
  2. Step 2: Convert to fraction form
    2,812,993.32/4,219,431.65 = 683,088.60/x
  3. Step 3: Cross multiply
    2,812,993.32x = 4,219,431.65 × 683,088.60
  4. Step 4: Simplify right side
    2,812,993.32x = 2,882,245,637,497.03
  5. Step 5: Solve for x
    x = 2,882,245,637,497.03/2,812,993.32
  6. Step 6: Final answer
    x = 1,024,618.73

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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.