Home / 1,927,189.80-2,659,450.86-1,111,427.46

Finding the Fourth Proportional to 1,927,189.80, 2,659,450.86 and 1,111,427.46

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Solution

The fourth proportional to 1,927,189.80, 2,659,450.86 and 1,111,427.46 is: 1,533,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,189.80 : 2,659,450.86 = 1,111,427.46 : x
  2. Step 2: Convert to fraction form
    1,927,189.80/2,659,450.86 = 1,111,427.46/x
  3. Step 3: Cross multiply
    1,927,189.80x = 2,659,450.86 × 1,111,427.46
  4. Step 4: Simplify right side
    1,927,189.80x = 2,955,786,714,324.62
  5. Step 5: Solve for x
    x = 2,955,786,714,324.62/1,927,189.80
  6. Step 6: Final answer
    x = 1,533,728.91

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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.