Home / 1,643,630.99-2,453,410.17-1,449,490.55

Finding the Fourth Proportional to 1,643,630.99, 2,453,410.17 and 1,449,490.55

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Solution

The fourth proportional to 1,643,630.99, 2,453,410.17 and 1,449,490.55 is: 2,163,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,630.99 : 2,453,410.17 = 1,449,490.55 : x
  2. Step 2: Convert to fraction form
    1,643,630.99/2,453,410.17 = 1,449,490.55/x
  3. Step 3: Cross multiply
    1,643,630.99x = 2,453,410.17 × 1,449,490.55
  4. Step 4: Simplify right side
    1,643,630.99x = 3,556,194,849,441.44
  5. Step 5: Solve for x
    x = 3,556,194,849,441.44/1,643,630.99
  6. Step 6: Final answer
    x = 2,163,621.20

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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.