Home / 5,265,121.28-7,898,026.36-1,621,404.32

Finding the Fourth Proportional to 5,265,121.28, 7,898,026.36 and 1,621,404.32

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Solution

The fourth proportional to 5,265,121.28, 7,898,026.36 and 1,621,404.32 is: 2,432,212.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,121.28 : 7,898,026.36 = 1,621,404.32 : x
  2. Step 2: Convert to fraction form
    5,265,121.28/7,898,026.36 = 1,621,404.32/x
  3. Step 3: Cross multiply
    5,265,121.28x = 7,898,026.36 × 1,621,404.32
  4. Step 4: Simplify right side
    5,265,121.28x = 12,805,894,059,577.88
  5. Step 5: Solve for x
    x = 12,805,894,059,577.88/5,265,121.28
  6. Step 6: Final answer
    x = 2,432,212.55

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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.