Home / 2,136,027.48-2,949,145.12-1,265,142.20

Finding the Fourth Proportional to 2,136,027.48, 2,949,145.12 and 1,265,142.20

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Solution

The fourth proportional to 2,136,027.48, 2,949,145.12 and 1,265,142.20 is: 1,746,741.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,027.48 : 2,949,145.12 = 1,265,142.20 : x
  2. Step 2: Convert to fraction form
    2,136,027.48/2,949,145.12 = 1,265,142.20/x
  3. Step 3: Cross multiply
    2,136,027.48x = 2,949,145.12 × 1,265,142.20
  4. Step 4: Simplify right side
    2,136,027.48x = 3,731,087,945,236.06
  5. Step 5: Solve for x
    x = 3,731,087,945,236.06/2,136,027.48
  6. Step 6: Final answer
    x = 1,746,741.55

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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.