Home / 1,970,620.13-2,719,454.58-1,065,202.13

Finding the Fourth Proportional to 1,970,620.13, 2,719,454.58 and 1,065,202.13

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Solution

The fourth proportional to 1,970,620.13, 2,719,454.58 and 1,065,202.13 is: 1,469,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,970,620.13 : 2,719,454.58 = 1,065,202.13 : x
  2. Step 2: Convert to fraction form
    1,970,620.13/2,719,454.58 = 1,065,202.13/x
  3. Step 3: Cross multiply
    1,970,620.13x = 2,719,454.58 × 1,065,202.13
  4. Step 4: Simplify right side
    1,970,620.13x = 2,896,768,817,852.89
  5. Step 5: Solve for x
    x = 2,896,768,817,852.89/1,970,620.13
  6. Step 6: Final answer
    x = 1,469,978.29

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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.