Home / 1,621,901.88-2,237,733-1,131,858.36

Finding the Fourth Proportional to 1,621,901.88, 2,237,733 and 1,131,858.36

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Solution

The fourth proportional to 1,621,901.88, 2,237,733 and 1,131,858.36 is: 1,561,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,901.88 : 2,237,733 = 1,131,858.36 : x
  2. Step 2: Convert to fraction form
    1,621,901.88/2,237,733 = 1,131,858.36/x
  3. Step 3: Cross multiply
    1,621,901.88x = 2,237,733 × 1,131,858.36
  4. Step 4: Simplify right side
    1,621,901.88x = 2,532,796,803,497.88
  5. Step 5: Solve for x
    x = 2,532,796,803,497.88/1,621,901.88
  6. Step 6: Final answer
    x = 1,561,621.47

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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.