Home / 1,943,981.93-2,682,845.60-1,072,987.31

Finding the Fourth Proportional to 1,943,981.93, 2,682,845.60 and 1,072,987.31

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Solution

The fourth proportional to 1,943,981.93, 2,682,845.60 and 1,072,987.31 is: 1,480,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,981.93 : 2,682,845.60 = 1,072,987.31 : x
  2. Step 2: Convert to fraction form
    1,943,981.93/2,682,845.60 = 1,072,987.31/x
  3. Step 3: Cross multiply
    1,943,981.93x = 2,682,845.60 × 1,072,987.31
  4. Step 4: Simplify right side
    1,943,981.93x = 2,878,659,264,710.17
  5. Step 5: Solve for x
    x = 2,878,659,264,710.17/1,943,981.93
  6. Step 6: Final answer
    x = 1,480,805.57

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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.