Home / 2,992,620.60-4,129,914.78-1,634,493.60

Finding the Fourth Proportional to 2,992,620.60, 4,129,914.78 and 1,634,493.60

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Solution

The fourth proportional to 2,992,620.60, 4,129,914.78 and 1,634,493.60 is: 2,255,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992,620.60 : 4,129,914.78 = 1,634,493.60 : x
  2. Step 2: Convert to fraction form
    2,992,620.60/4,129,914.78 = 1,634,493.60/x
  3. Step 3: Cross multiply
    2,992,620.60x = 4,129,914.78 × 1,634,493.60
  4. Step 4: Simplify right side
    2,992,620.60x = 6,750,319,276,455.41
  5. Step 5: Solve for x
    x = 6,750,319,276,455.41/2,992,620.60
  6. Step 6: Final answer
    x = 2,255,654.89

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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.