Home / 1,595,325.72-2,201,556.36-870,189

Finding the Fourth Proportional to 1,595,325.72, 2,201,556.36 and 870,189

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Solution

The fourth proportional to 1,595,325.72, 2,201,556.36 and 870,189 is: 1,200,864.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595,325.72 : 2,201,556.36 = 870,189 : x
  2. Step 2: Convert to fraction form
    1,595,325.72/2,201,556.36 = 870,189/x
  3. Step 3: Cross multiply
    1,595,325.72x = 2,201,556.36 × 870,189
  4. Step 4: Simplify right side
    1,595,325.72x = 1,915,770,127,352.04
  5. Step 5: Solve for x
    x = 1,915,770,127,352.04/1,595,325.72
  6. Step 6: Final answer
    x = 1,200,864.57

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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.