Home / 2,783,009.20-3,842,394.96-2,137,270.72

Finding the Fourth Proportional to 2,783,009.20, 3,842,394.96 and 2,137,270.72

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Solution

The fourth proportional to 2,783,009.20, 3,842,394.96 and 2,137,270.72 is: 2,950,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,009.20 : 3,842,394.96 = 2,137,270.72 : x
  2. Step 2: Convert to fraction form
    2,783,009.20/3,842,394.96 = 2,137,270.72/x
  3. Step 3: Cross multiply
    2,783,009.20x = 3,842,394.96 × 2,137,270.72
  4. Step 4: Simplify right side
    2,783,009.20x = 8,212,238,242,683.57
  5. Step 5: Solve for x
    x = 8,212,238,242,683.57/2,783,009.20
  6. Step 6: Final answer
    x = 2,950,848.40

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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.