Home / 1,519,138.60-2,087,643.48-1,448,886.69

Finding the Fourth Proportional to 1,519,138.60, 2,087,643.48 and 1,448,886.69

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Solution

The fourth proportional to 1,519,138.60, 2,087,643.48 and 1,448,886.69 is: 1,991,101.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,138.60 : 2,087,643.48 = 1,448,886.69 : x
  2. Step 2: Convert to fraction form
    1,519,138.60/2,087,643.48 = 1,448,886.69/x
  3. Step 3: Cross multiply
    1,519,138.60x = 2,087,643.48 × 1,448,886.69
  4. Step 4: Simplify right side
    1,519,138.60x = 3,024,758,846,203.96
  5. Step 5: Solve for x
    x = 3,024,758,846,203.96/1,519,138.60
  6. Step 6: Final answer
    x = 1,991,101.31

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.