Home / 1,961,507.10-2,936,778.87-1,059,717.90

Finding the Fourth Proportional to 1,961,507.10, 2,936,778.87 and 1,059,717.90

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Solution

The fourth proportional to 1,961,507.10, 2,936,778.87 and 1,059,717.90 is: 1,586,615.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,961,507.10 : 2,936,778.87 = 1,059,717.90 : x
  2. Step 2: Convert to fraction form
    1,961,507.10/2,936,778.87 = 1,059,717.90/x
  3. Step 3: Cross multiply
    1,961,507.10x = 2,936,778.87 × 1,059,717.90
  4. Step 4: Simplify right side
    1,961,507.10x = 3,112,157,136,880.77
  5. Step 5: Solve for x
    x = 3,112,157,136,880.77/1,961,507.10
  6. Step 6: Final answer
    x = 1,586,615.28

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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.