Home / 1,617,077.12-2,231,577-891,944.46

Finding the Fourth Proportional to 1,617,077.12, 2,231,577 and 891,944.46

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Solution

The fourth proportional to 1,617,077.12, 2,231,577 and 891,944.46 is: 1,230,889.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,077.12 : 2,231,577 = 891,944.46 : x
  2. Step 2: Convert to fraction form
    1,617,077.12/2,231,577 = 891,944.46/x
  3. Step 3: Cross multiply
    1,617,077.12x = 2,231,577 × 891,944.46
  4. Step 4: Simplify right side
    1,617,077.12x = 1,990,442,742,213.42
  5. Step 5: Solve for x
    x = 1,990,442,742,213.42/1,617,077.12
  6. Step 6: Final answer
    x = 1,230,889.19

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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.