Home / 1,970,618.32-2,719,452.08-1,065,200.32

Finding the Fourth Proportional to 1,970,618.32, 2,719,452.08 and 1,065,200.32

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Solution

The fourth proportional to 1,970,618.32, 2,719,452.08 and 1,065,200.32 is: 1,469,975.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,618.32 : 2,719,452.08 = 1,065,200.32 : x
  2. Step 2: Convert to fraction form
    1,970,618.32/2,719,452.08 = 1,065,200.32/x
  3. Step 3: Cross multiply
    1,970,618.32x = 2,719,452.08 × 1,065,200.32
  4. Step 4: Simplify right side
    1,970,618.32x = 2,896,761,225,840.67
  5. Step 5: Solve for x
    x = 2,896,761,225,840.67/1,970,618.32
  6. Step 6: Final answer
    x = 1,469,975.79

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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.