Home / 3,898,506.14-5,379,760.44-2,156,191.28

Finding the Fourth Proportional to 3,898,506.14, 5,379,760.44 and 2,156,191.28

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Solution

The fourth proportional to 3,898,506.14, 5,379,760.44 and 2,156,191.28 is: 2,975,445.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898,506.14 : 5,379,760.44 = 2,156,191.28 : x
  2. Step 2: Convert to fraction form
    3,898,506.14/5,379,760.44 = 2,156,191.28/x
  3. Step 3: Cross multiply
    3,898,506.14x = 5,379,760.44 × 2,156,191.28
  4. Step 4: Simplify right side
    3,898,506.14x = 11,599,792,549,216.96
  5. Step 5: Solve for x
    x = 11,599,792,549,216.96/3,898,506.14
  6. Step 6: Final answer
    x = 2,975,445.50

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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.