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Finding the Fourth Proportional to 3,887,792.82, 5,831,024.69 and 1,047,240.68

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Solution

The fourth proportional to 3,887,792.82, 5,831,024.69 and 1,047,240.68 is: 1,570,682.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887,792.82 : 5,831,024.69 = 1,047,240.68 : x
  2. Step 2: Convert to fraction form
    3,887,792.82/5,831,024.69 = 1,047,240.68/x
  3. Step 3: Cross multiply
    3,887,792.82x = 5,831,024.69 × 1,047,240.68
  4. Step 4: Simplify right side
    3,887,792.82x = 6,106,486,234,915.37
  5. Step 5: Solve for x
    x = 6,106,486,234,915.37/3,887,792.82
  6. Step 6: Final answer
    x = 1,570,682.01

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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.