Home / 1,927,619.73-2,660,130.86-1,068,194.34

Finding the Fourth Proportional to 1,927,619.73, 2,660,130.86 and 1,068,194.34

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Solution

The fourth proportional to 1,927,619.73, 2,660,130.86 and 1,068,194.34 is: 1,474,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,619.73 : 2,660,130.86 = 1,068,194.34 : x
  2. Step 2: Convert to fraction form
    1,927,619.73/2,660,130.86 = 1,068,194.34/x
  3. Step 3: Cross multiply
    1,927,619.73x = 2,660,130.86 × 1,068,194.34
  4. Step 4: Simplify right side
    1,927,619.73x = 2,841,536,722,970.36
  5. Step 5: Solve for x
    x = 2,841,536,722,970.36/1,927,619.73
  6. Step 6: Final answer
    x = 1,474,116.85

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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.