Home / 1,892,094.80-2,613,262.92-1,378,138.46

Finding the Fourth Proportional to 1,892,094.80, 2,613,262.92 and 1,378,138.46

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Solution

The fourth proportional to 1,892,094.80, 2,613,262.92 and 1,378,138.46 is: 1,903,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,094.80 : 2,613,262.92 = 1,378,138.46 : x
  2. Step 2: Convert to fraction form
    1,892,094.80/2,613,262.92 = 1,378,138.46/x
  3. Step 3: Cross multiply
    1,892,094.80x = 2,613,262.92 × 1,378,138.46
  4. Step 4: Simplify right side
    1,892,094.80x = 3,601,438,136,143.90
  5. Step 5: Solve for x
    x = 3,601,438,136,143.90/1,892,094.80
  6. Step 6: Final answer
    x = 1,903,413.16

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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.