Home / 1,621,145.12-2,237,110.56-895,955.36

Finding the Fourth Proportional to 1,621,145.12, 2,237,110.56 and 895,955.36

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Solution

The fourth proportional to 1,621,145.12, 2,237,110.56 and 895,955.36 is: 1,236,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,145.12 : 2,237,110.56 = 895,955.36 : x
  2. Step 2: Convert to fraction form
    1,621,145.12/2,237,110.56 = 895,955.36/x
  3. Step 3: Cross multiply
    1,621,145.12x = 2,237,110.56 × 895,955.36
  4. Step 4: Simplify right side
    1,621,145.12x = 2,004,351,197,144.60
  5. Step 5: Solve for x
    x = 2,004,351,197,144.60/1,621,145.12
  6. Step 6: Final answer
    x = 1,236,379.87

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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.