Home / 1,791,806.40-2,679,933.60-1,603,627.20

Finding the Fourth Proportional to 1,791,806.40, 2,679,933.60 and 1,603,627.20

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Solution

The fourth proportional to 1,791,806.40, 2,679,933.60 and 1,603,627.20 is: 2,398,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,806.40 : 2,679,933.60 = 1,603,627.20 : x
  2. Step 2: Convert to fraction form
    1,791,806.40/2,679,933.60 = 1,603,627.20/x
  3. Step 3: Cross multiply
    1,791,806.40x = 2,679,933.60 × 1,603,627.20
  4. Step 4: Simplify right side
    1,791,806.40x = 4,297,614,415,153.92
  5. Step 5: Solve for x
    x = 4,297,614,415,153.92/1,791,806.40
  6. Step 6: Final answer
    x = 2,398,481.45

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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.