Home / 1,986,775.06-2,741,808.18-1,407,035.38

Finding the Fourth Proportional to 1,986,775.06, 2,741,808.18 and 1,407,035.38

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Solution

The fourth proportional to 1,986,775.06, 2,741,808.18 and 1,407,035.38 is: 1,941,750.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,775.06 : 2,741,808.18 = 1,407,035.38 : x
  2. Step 2: Convert to fraction form
    1,986,775.06/2,741,808.18 = 1,407,035.38/x
  3. Step 3: Cross multiply
    1,986,775.06x = 2,741,808.18 × 1,407,035.38
  4. Step 4: Simplify right side
    1,986,775.06x = 3,857,821,114,433.41
  5. Step 5: Solve for x
    x = 3,857,821,114,433.41/1,986,775.06
  6. Step 6: Final answer
    x = 1,941,750.32

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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.