Home / 2,605,610.40-3,908,415.60-922,495.20

Finding the Fourth Proportional to 2,605,610.40, 3,908,415.60 and 922,495.20

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Solution

The fourth proportional to 2,605,610.40, 3,908,415.60 and 922,495.20 is: 1,383,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,610.40 : 3,908,415.60 = 922,495.20 : x
  2. Step 2: Convert to fraction form
    2,605,610.40/3,908,415.60 = 922,495.20/x
  3. Step 3: Cross multiply
    2,605,610.40x = 3,908,415.60 × 922,495.20
  4. Step 4: Simplify right side
    2,605,610.40x = 3,605,494,630,605.12
  5. Step 5: Solve for x
    x = 3,605,494,630,605.12/2,605,610.40
  6. Step 6: Final answer
    x = 1,383,742.80

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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.