Home / 1,918,811.26-2,647,963.56-1,059,373.18

Finding the Fourth Proportional to 1,918,811.26, 2,647,963.56 and 1,059,373.18

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Solution

The fourth proportional to 1,918,811.26, 2,647,963.56 and 1,059,373.18 is: 1,461,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,811.26 : 2,647,963.56 = 1,059,373.18 : x
  2. Step 2: Convert to fraction form
    1,918,811.26/2,647,963.56 = 1,059,373.18/x
  3. Step 3: Cross multiply
    1,918,811.26x = 2,647,963.56 × 1,059,373.18
  4. Step 4: Simplify right side
    1,918,811.26x = 2,805,181,577,081.32
  5. Step 5: Solve for x
    x = 2,805,181,577,081.32/1,918,811.26
  6. Step 6: Final answer
    x = 1,461,937.21

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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.