Home / 1,584,222.76-2,186,343.06-905,144.68

Finding the Fourth Proportional to 1,584,222.76, 2,186,343.06 and 905,144.68

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Solution

The fourth proportional to 1,584,222.76, 2,186,343.06 and 905,144.68 is: 1,249,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,222.76 : 2,186,343.06 = 905,144.68 : x
  2. Step 2: Convert to fraction form
    1,584,222.76/2,186,343.06 = 905,144.68/x
  3. Step 3: Cross multiply
    1,584,222.76x = 2,186,343.06 × 905,144.68
  4. Step 4: Simplify right side
    1,584,222.76x = 1,978,956,789,413.92
  5. Step 5: Solve for x
    x = 1,978,956,789,413.92/1,584,222.76
  6. Step 6: Final answer
    x = 1,249,165.74

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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.