Home / 1,643,631.51-2,453,410.91-1,449,491.04

Finding the Fourth Proportional to 1,643,631.51, 2,453,410.91 and 1,449,491.04

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Solution

The fourth proportional to 1,643,631.51, 2,453,410.91 and 1,449,491.04 is: 2,163,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,631.51 : 2,453,410.91 = 1,449,491.04 : x
  2. Step 2: Convert to fraction form
    1,643,631.51/2,453,410.91 = 1,449,491.04/x
  3. Step 3: Cross multiply
    1,643,631.51x = 2,453,410.91 × 1,449,491.04
  4. Step 4: Simplify right side
    1,643,631.51x = 3,556,197,131,483.25
  5. Step 5: Solve for x
    x = 3,556,197,131,483.25/1,643,631.51
  6. Step 6: Final answer
    x = 2,163,621.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.