Home / 1,619,627.16-2,233,737.90-1,212,689.64

Finding the Fourth Proportional to 1,619,627.16, 2,233,737.90 and 1,212,689.64

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Solution

The fourth proportional to 1,619,627.16, 2,233,737.90 and 1,212,689.64 is: 1,672,502.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,627.16 : 2,233,737.90 = 1,212,689.64 : x
  2. Step 2: Convert to fraction form
    1,619,627.16/2,233,737.90 = 1,212,689.64/x
  3. Step 3: Cross multiply
    1,619,627.16x = 2,233,737.90 × 1,212,689.64
  4. Step 4: Simplify right side
    1,619,627.16x = 2,708,830,809,805.36
  5. Step 5: Solve for x
    x = 2,708,830,809,805.36/1,619,627.16
  6. Step 6: Final answer
    x = 1,672,502.71

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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.