Home / 2,185,173.14-3,015,759.40-1,267,682.90

Finding the Fourth Proportional to 2,185,173.14, 3,015,759.40 and 1,267,682.90

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Solution

The fourth proportional to 2,185,173.14, 3,015,759.40 and 1,267,682.90 is: 1,749,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,185,173.14 : 3,015,759.40 = 1,267,682.90 : x
  2. Step 2: Convert to fraction form
    2,185,173.14/3,015,759.40 = 1,267,682.90/x
  3. Step 3: Cross multiply
    2,185,173.14x = 3,015,759.40 × 1,267,682.90
  4. Step 4: Simplify right side
    2,185,173.14x = 3,823,026,626,264.45
  5. Step 5: Solve for x
    x = 3,823,026,626,264.45/2,185,173.14
  6. Step 6: Final answer
    x = 1,749,530.30

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1.5x scale

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.