Home / 1,975,137.60-2,725,676.32-1,069,701.44

Finding the Fourth Proportional to 1,975,137.60, 2,725,676.32 and 1,069,701.44

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Solution

The fourth proportional to 1,975,137.60, 2,725,676.32 and 1,069,701.44 is: 1,476,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,137.60 : 2,725,676.32 = 1,069,701.44 : x
  2. Step 2: Convert to fraction form
    1,975,137.60/2,725,676.32 = 1,069,701.44/x
  3. Step 3: Cross multiply
    1,975,137.60x = 2,725,676.32 × 1,069,701.44
  4. Step 4: Simplify right side
    1,975,137.60x = 2,915,659,884,477.90
  5. Step 5: Solve for x
    x = 2,915,659,884,477.90/1,975,137.60
  6. Step 6: Final answer
    x = 1,476,180.64

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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.