Home / 1,792,615.70-2,688,923.55-1,605,991.70

Finding the Fourth Proportional to 1,792,615.70, 2,688,923.55 and 1,605,991.70

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Solution

The fourth proportional to 1,792,615.70, 2,688,923.55 and 1,605,991.70 is: 2,408,987.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,615.70 : 2,688,923.55 = 1,605,991.70 : x
  2. Step 2: Convert to fraction form
    1,792,615.70/2,688,923.55 = 1,605,991.70/x
  3. Step 3: Cross multiply
    1,792,615.70x = 2,688,923.55 × 1,605,991.70
  4. Step 4: Simplify right side
    1,792,615.70x = 4,318,388,903,234.53
  5. Step 5: Solve for x
    x = 4,318,388,903,234.53/1,792,615.70
  6. Step 6: Final answer
    x = 2,408,987.55

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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.