Home / 1,621,493.88-2,237,628.60-896,372.16

Finding the Fourth Proportional to 1,621,493.88, 2,237,628.60 and 896,372.16

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Solution

The fourth proportional to 1,621,493.88, 2,237,628.60 and 896,372.16 is: 1,236,975.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,493.88 : 2,237,628.60 = 896,372.16 : x
  2. Step 2: Convert to fraction form
    1,621,493.88/2,237,628.60 = 896,372.16/x
  3. Step 3: Cross multiply
    1,621,493.88x = 2,237,628.60 × 896,372.16
  4. Step 4: Simplify right side
    1,621,493.88x = 2,005,747,981,459.78
  5. Step 5: Solve for x
    x = 2,005,747,981,459.78/1,621,493.88
  6. Step 6: Final answer
    x = 1,236,975.36

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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.