Home / 1,778,846.40-2,670,019.20-881,301.60

Finding the Fourth Proportional to 1,778,846.40, 2,670,019.20 and 881,301.60

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Solution

The fourth proportional to 1,778,846.40, 2,670,019.20 and 881,301.60 is: 1,322,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,778,846.40 : 2,670,019.20 = 881,301.60 : x
  2. Step 2: Convert to fraction form
    1,778,846.40/2,670,019.20 = 881,301.60/x
  3. Step 3: Cross multiply
    1,778,846.40x = 2,670,019.20 × 881,301.60
  4. Step 4: Simplify right side
    1,778,846.40x = 2,353,092,192,990.72
  5. Step 5: Solve for x
    x = 2,353,092,192,990.72/1,778,846.40
  6. Step 6: Final answer
    x = 1,322,819.21

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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.