Home / 1,947,619.23-2,687,853.62-1,076,435.19

Finding the Fourth Proportional to 1,947,619.23, 2,687,853.62 and 1,076,435.19

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Solution

The fourth proportional to 1,947,619.23, 2,687,853.62 and 1,076,435.19 is: 1,485,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,619.23 : 2,687,853.62 = 1,076,435.19 : x
  2. Step 2: Convert to fraction form
    1,947,619.23/2,687,853.62 = 1,076,435.19/x
  3. Step 3: Cross multiply
    1,947,619.23x = 2,687,853.62 × 1,076,435.19
  4. Step 4: Simplify right side
    1,947,619.23x = 2,893,300,211,388.71
  5. Step 5: Solve for x
    x = 2,893,300,211,388.71/1,947,619.23
  6. Step 6: Final answer
    x = 1,485,557.42

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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.