Home / 2,379,772.56-3,565,853.16-2,138,065.20

Finding the Fourth Proportional to 2,379,772.56, 3,565,853.16 and 2,138,065.20

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Solution

The fourth proportional to 2,379,772.56, 3,565,853.16 and 2,138,065.20 is: 3,203,678.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,379,772.56 : 3,565,853.16 = 2,138,065.20 : x
  2. Step 2: Convert to fraction form
    2,379,772.56/3,565,853.16 = 2,138,065.20/x
  3. Step 3: Cross multiply
    2,379,772.56x = 3,565,853.16 × 2,138,065.20
  4. Step 4: Simplify right side
    2,379,772.56x = 7,624,026,549,706.03
  5. Step 5: Solve for x
    x = 7,624,026,549,706.03/2,379,772.56
  6. Step 6: Final answer
    x = 3,203,678.65

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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.