Home / 2,124,794.40-3,188,186.48-1,059,918.88

Finding the Fourth Proportional to 2,124,794.40, 3,188,186.48 and 1,059,918.88

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Solution

The fourth proportional to 2,124,794.40, 3,188,186.48 and 1,059,918.88 is: 1,590,374.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124,794.40 : 3,188,186.48 = 1,059,918.88 : x
  2. Step 2: Convert to fraction form
    2,124,794.40/3,188,186.48 = 1,059,918.88/x
  3. Step 3: Cross multiply
    2,124,794.40x = 3,188,186.48 × 1,059,918.88
  4. Step 4: Simplify right side
    2,124,794.40x = 3,379,219,043,112.74
  5. Step 5: Solve for x
    x = 3,379,219,043,112.74/2,124,794.40
  6. Step 6: Final answer
    x = 1,590,374.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.