Home / 1,970,530.86-2,719,336.48-1,065,112.86

Finding the Fourth Proportional to 1,970,530.86, 2,719,336.48 and 1,065,112.86

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Solution

The fourth proportional to 1,970,530.86, 2,719,336.48 and 1,065,112.86 is: 1,469,857.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,530.86 : 2,719,336.48 = 1,065,112.86 : x
  2. Step 2: Convert to fraction form
    1,970,530.86/2,719,336.48 = 1,065,112.86/x
  3. Step 3: Cross multiply
    1,970,530.86x = 2,719,336.48 × 1,065,112.86
  4. Step 4: Simplify right side
    1,970,530.86x = 2,896,400,255,515.13
  5. Step 5: Solve for x
    x = 2,896,400,255,515.13/1,970,530.86
  6. Step 6: Final answer
    x = 1,469,857.85

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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.