Home / 1,775,879.60-2,666,670.60-1,644,897.20

Finding the Fourth Proportional to 1,775,879.60, 2,666,670.60 and 1,644,897.20

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Solution

The fourth proportional to 1,775,879.60, 2,666,670.60 and 1,644,897.20 is: 2,469,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,879.60 : 2,666,670.60 = 1,644,897.20 : x
  2. Step 2: Convert to fraction form
    1,775,879.60/2,666,670.60 = 1,644,897.20/x
  3. Step 3: Cross multiply
    1,775,879.60x = 2,666,670.60 × 1,644,897.20
  4. Step 4: Simplify right side
    1,775,879.60x = 4,386,399,003,262.32
  5. Step 5: Solve for x
    x = 4,386,399,003,262.32/1,775,879.60
  6. Step 6: Final answer
    x = 2,469,986.71

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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.