Home / 1,588,074.15-2,191,556.16-862,921.86

Finding the Fourth Proportional to 1,588,074.15, 2,191,556.16 and 862,921.86

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Solution

The fourth proportional to 1,588,074.15, 2,191,556.16 and 862,921.86 is: 1,190,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,074.15 : 2,191,556.16 = 862,921.86 : x
  2. Step 2: Convert to fraction form
    1,588,074.15/2,191,556.16 = 862,921.86/x
  3. Step 3: Cross multiply
    1,588,074.15x = 2,191,556.16 × 862,921.86
  4. Step 4: Simplify right side
    1,588,074.15x = 1,891,141,720,869.36
  5. Step 5: Solve for x
    x = 1,891,141,720,869.36/1,588,074.15
  6. Step 6: Final answer
    x = 1,190,839.69

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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.