Home / 1,556,199.74-2,147,557.61-858,464.78

Finding the Fourth Proportional to 1,556,199.74, 2,147,557.61 and 858,464.78

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Solution

The fourth proportional to 1,556,199.74, 2,147,557.61 and 858,464.78 is: 1,184,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,199.74 : 2,147,557.61 = 858,464.78 : x
  2. Step 2: Convert to fraction form
    1,556,199.74/2,147,557.61 = 858,464.78/x
  3. Step 3: Cross multiply
    1,556,199.74x = 2,147,557.61 × 858,464.78
  4. Step 4: Simplify right side
    1,556,199.74x = 1,843,602,556,175.86
  5. Step 5: Solve for x
    x = 1,843,602,556,175.86/1,556,199.74
  6. Step 6: Final answer
    x = 1,184,682.48

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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.