Home / 1,817,126.11-2,507,623.18-990,198.18

Finding the Fourth Proportional to 1,817,126.11, 2,507,623.18 and 990,198.18

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Solution

The fourth proportional to 1,817,126.11, 2,507,623.18 and 990,198.18 is: 1,366,467.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,126.11 : 2,507,623.18 = 990,198.18 : x
  2. Step 2: Convert to fraction form
    1,817,126.11/2,507,623.18 = 990,198.18/x
  3. Step 3: Cross multiply
    1,817,126.11x = 2,507,623.18 × 990,198.18
  4. Step 4: Simplify right side
    1,817,126.11x = 2,483,043,908,961.81
  5. Step 5: Solve for x
    x = 2,483,043,908,961.81/1,817,126.11
  6. Step 6: Final answer
    x = 1,366,467.57

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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.