Home / 2,586,126.20-3,568,598.69-1,440,313.16

Finding the Fourth Proportional to 2,586,126.20, 3,568,598.69 and 1,440,313.16

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Solution

The fourth proportional to 2,586,126.20, 3,568,598.69 and 1,440,313.16 is: 1,987,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,126.20 : 3,568,598.69 = 1,440,313.16 : x
  2. Step 2: Convert to fraction form
    2,586,126.20/3,568,598.69 = 1,440,313.16/x
  3. Step 3: Cross multiply
    2,586,126.20x = 3,568,598.69 × 1,440,313.16
  4. Step 4: Simplify right side
    2,586,126.20x = 5,139,899,630,921.20
  5. Step 5: Solve for x
    x = 5,139,899,630,921.20/2,586,126.20
  6. Step 6: Final answer
    x = 1,987,489.88

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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.