Home / 1,970,609.45-2,719,439.83-1,065,191.45

Finding the Fourth Proportional to 1,970,609.45, 2,719,439.83 and 1,065,191.45

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Solution

The fourth proportional to 1,970,609.45, 2,719,439.83 and 1,065,191.45 is: 1,469,963.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,609.45 : 2,719,439.83 = 1,065,191.45 : x
  2. Step 2: Convert to fraction form
    1,970,609.45/2,719,439.83 = 1,065,191.45/x
  3. Step 3: Cross multiply
    1,970,609.45x = 2,719,439.83 × 1,065,191.45
  4. Step 4: Simplify right side
    1,970,609.45x = 2,896,724,043,439.74
  5. Step 5: Solve for x
    x = 2,896,724,043,439.74/1,970,609.45
  6. Step 6: Final answer
    x = 1,469,963.54

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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.