Home / 2,892,321.90-4,335,530.40-1,693,627.20

Finding the Fourth Proportional to 2,892,321.90, 4,335,530.40 and 1,693,627.20

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Solution

The fourth proportional to 2,892,321.90, 4,335,530.40 and 1,693,627.20 is: 2,538,711.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,892,321.90 : 4,335,530.40 = 1,693,627.20 : x
  2. Step 2: Convert to fraction form
    2,892,321.90/4,335,530.40 = 1,693,627.20/x
  3. Step 3: Cross multiply
    2,892,321.90x = 4,335,530.40 × 1,693,627.20
  4. Step 4: Simplify right side
    2,892,321.90x = 7,342,772,211,866.88
  5. Step 5: Solve for x
    x = 7,342,772,211,866.88/2,892,321.90
  6. Step 6: Final answer
    x = 2,538,711.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.