Home / 1,556,185.22-2,147,552.01-877,121.72

Finding the Fourth Proportional to 1,556,185.22, 2,147,552.01 and 877,121.72

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Solution

The fourth proportional to 1,556,185.22, 2,147,552.01 and 877,121.72 is: 1,210,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,185.22 : 2,147,552.01 = 877,121.72 : x
  2. Step 2: Convert to fraction form
    1,556,185.22/2,147,552.01 = 877,121.72/x
  3. Step 3: Cross multiply
    1,556,185.22x = 2,147,552.01 × 877,121.72
  4. Step 4: Simplify right side
    1,556,185.22x = 1,883,664,512,800.66
  5. Step 5: Solve for x
    x = 1,883,664,512,800.66/1,556,185.22
  6. Step 6: Final answer
    x = 1,210,437.22

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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.