Home / 1,982,268.72-2,735,515.80-1,076,857.20

Finding the Fourth Proportional to 1,982,268.72, 2,735,515.80 and 1,076,857.20

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Solution

The fourth proportional to 1,982,268.72, 2,735,515.80 and 1,076,857.20 is: 1,486,054.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,982,268.72 : 2,735,515.80 = 1,076,857.20 : x
  2. Step 2: Convert to fraction form
    1,982,268.72/2,735,515.80 = 1,076,857.20/x
  3. Step 3: Cross multiply
    1,982,268.72x = 2,735,515.80 × 1,076,857.20
  4. Step 4: Simplify right side
    1,982,268.72x = 2,945,759,884,943.76
  5. Step 5: Solve for x
    x = 2,945,759,884,943.76/1,982,268.72
  6. Step 6: Final answer
    x = 1,486,054.77

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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.