Home / 2,590,564.60-3,885,846.90-817,636.60

Finding the Fourth Proportional to 2,590,564.60, 3,885,846.90 and 817,636.60

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Solution

The fourth proportional to 2,590,564.60, 3,885,846.90 and 817,636.60 is: 1,226,454.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,564.60 : 3,885,846.90 = 817,636.60 : x
  2. Step 2: Convert to fraction form
    2,590,564.60/3,885,846.90 = 817,636.60/x
  3. Step 3: Cross multiply
    2,590,564.60x = 3,885,846.90 × 817,636.60
  4. Step 4: Simplify right side
    2,590,564.60x = 3,177,210,647,436.54
  5. Step 5: Solve for x
    x = 3,177,210,647,436.54/2,590,564.60
  6. Step 6: Final answer
    x = 1,226,454.90

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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.