Home / 1,617,762.78-2,232,559.38-892,657.21

Finding the Fourth Proportional to 1,617,762.78, 2,232,559.38 and 892,657.21

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Solution

The fourth proportional to 1,617,762.78, 2,232,559.38 and 892,657.21 is: 1,231,892.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,762.78 : 2,232,559.38 = 892,657.21 : x
  2. Step 2: Convert to fraction form
    1,617,762.78/2,232,559.38 = 892,657.21/x
  3. Step 3: Cross multiply
    1,617,762.78x = 2,232,559.38 × 892,657.21
  4. Step 4: Simplify right side
    1,617,762.78x = 1,992,910,226,124.11
  5. Step 5: Solve for x
    x = 1,992,910,226,124.11/1,617,762.78
  6. Step 6: Final answer
    x = 1,231,892.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.