Home / 1,640,183.70-2,261,442.60-1,348,776.93

Finding the Fourth Proportional to 1,640,183.70, 2,261,442.60 and 1,348,776.93

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Solution

The fourth proportional to 1,640,183.70, 2,261,442.60 and 1,348,776.93 is: 1,859,658.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,183.70 : 2,261,442.60 = 1,348,776.93 : x
  2. Step 2: Convert to fraction form
    1,640,183.70/2,261,442.60 = 1,348,776.93/x
  3. Step 3: Cross multiply
    1,640,183.70x = 2,261,442.60 × 1,348,776.93
  4. Step 4: Simplify right side
    1,640,183.70x = 3,050,181,607,399.22
  5. Step 5: Solve for x
    x = 3,050,181,607,399.22/1,640,183.70
  6. Step 6: Final answer
    x = 1,859,658.53

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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.