Home / 1,556,186.10-2,147,553.20-877,122.60

Finding the Fourth Proportional to 1,556,186.10, 2,147,553.20 and 877,122.60

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Solution

The fourth proportional to 1,556,186.10, 2,147,553.20 and 877,122.60 is: 1,210,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,186.10 : 2,147,553.20 = 877,122.60 : x
  2. Step 2: Convert to fraction form
    1,556,186.10/2,147,553.20 = 877,122.60/x
  3. Step 3: Cross multiply
    1,556,186.10x = 2,147,553.20 × 877,122.60
  4. Step 4: Simplify right side
    1,556,186.10x = 1,883,667,446,422.32
  5. Step 5: Solve for x
    x = 1,883,667,446,422.32/1,556,186.10
  6. Step 6: Final answer
    x = 1,210,438.42

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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.