Home / 6,128,481.72-9,191,242.71-2,714,880.90

Finding the Fourth Proportional to 6,128,481.72, 9,191,242.71 and 2,714,880.90

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Solution

The fourth proportional to 6,128,481.72, 9,191,242.71 and 2,714,880.90 is: 4,071,665.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,481.72 : 9,191,242.71 = 2,714,880.90 : x
  2. Step 2: Convert to fraction form
    6,128,481.72/9,191,242.71 = 2,714,880.90/x
  3. Step 3: Cross multiply
    6,128,481.72x = 9,191,242.71 × 2,714,880.90
  4. Step 4: Simplify right side
    6,128,481.72x = 24,953,129,280,643.24
  5. Step 5: Solve for x
    x = 24,953,129,280,643.24/6,128,481.72
  6. Step 6: Final answer
    x = 4,071,665.78

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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.