Home / 2,151,413.40-3,227,122.26-553,980

Finding the Fourth Proportional to 2,151,413.40, 3,227,122.26 and 553,980

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Solution

The fourth proportional to 2,151,413.40, 3,227,122.26 and 553,980 is: 830,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151,413.40 : 3,227,122.26 = 553,980 : x
  2. Step 2: Convert to fraction form
    2,151,413.40/3,227,122.26 = 553,980/x
  3. Step 3: Cross multiply
    2,151,413.40x = 3,227,122.26 × 553,980
  4. Step 4: Simplify right side
    2,151,413.40x = 1,787,761,189,594.80
  5. Step 5: Solve for x
    x = 1,787,761,189,594.80/2,151,413.40
  6. Step 6: Final answer
    x = 830,970.56

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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.