Home / 1,617,386.67-2,231,897.90-892,235.79

Finding the Fourth Proportional to 1,617,386.67, 2,231,897.90 and 892,235.79

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Solution

The fourth proportional to 1,617,386.67, 2,231,897.90 and 892,235.79 is: 1,231,232.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,386.67 : 2,231,897.90 = 892,235.79 : x
  2. Step 2: Convert to fraction form
    1,617,386.67/2,231,897.90 = 892,235.79/x
  3. Step 3: Cross multiply
    1,617,386.67x = 2,231,897.90 × 892,235.79
  4. Step 4: Simplify right side
    1,617,386.67x = 1,991,379,181,544.66
  5. Step 5: Solve for x
    x = 1,991,379,181,544.66/1,617,386.67
  6. Step 6: Final answer
    x = 1,231,232.59

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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.