Home / 3,557,372.30-4,909,172.72-1,925,778.44

Finding the Fourth Proportional to 3,557,372.30, 4,909,172.72 and 1,925,778.44

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Solution

The fourth proportional to 3,557,372.30, 4,909,172.72 and 1,925,778.44 is: 2,657,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557,372.30 : 4,909,172.72 = 1,925,778.44 : x
  2. Step 2: Convert to fraction form
    3,557,372.30/4,909,172.72 = 1,925,778.44/x
  3. Step 3: Cross multiply
    3,557,372.30x = 4,909,172.72 × 1,925,778.44
  4. Step 4: Simplify right side
    3,557,372.30x = 9,453,978,982,412.16
  5. Step 5: Solve for x
    x = 9,453,978,982,412.16/3,557,372.30
  6. Step 6: Final answer
    x = 2,657,573.68

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1.5x scale

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.