Home / 1,908,179.16-2,632,190.76-1,191,543

Finding the Fourth Proportional to 1,908,179.16, 2,632,190.76 and 1,191,543

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Solution

The fourth proportional to 1,908,179.16, 2,632,190.76 and 1,191,543 is: 1,643,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,179.16 : 2,632,190.76 = 1,191,543 : x
  2. Step 2: Convert to fraction form
    1,908,179.16/2,632,190.76 = 1,191,543/x
  3. Step 3: Cross multiply
    1,908,179.16x = 2,632,190.76 × 1,191,543
  4. Step 4: Simplify right side
    1,908,179.16x = 3,136,368,474,742.68
  5. Step 5: Solve for x
    x = 3,136,368,474,742.68/1,908,179.16
  6. Step 6: Final answer
    x = 1,643,644.65

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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.