Home / 2,118,358.96-2,923,369.32-1,151,491.12

Finding the Fourth Proportional to 2,118,358.96, 2,923,369.32 and 1,151,491.12

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Solution

The fourth proportional to 2,118,358.96, 2,923,369.32 and 1,151,491.12 is: 1,589,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,358.96 : 2,923,369.32 = 1,151,491.12 : x
  2. Step 2: Convert to fraction form
    2,118,358.96/2,923,369.32 = 1,151,491.12/x
  3. Step 3: Cross multiply
    2,118,358.96x = 2,923,369.32 × 1,151,491.12
  4. Step 4: Simplify right side
    2,118,358.96x = 3,366,233,812,460.44
  5. Step 5: Solve for x
    x = 3,366,233,812,460.44/2,118,358.96
  6. Step 6: Final answer
    x = 1,589,076.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.