Home / 5,376,879.91-7,422,836.57-3,643,705.49

Finding the Fourth Proportional to 5,376,879.91, 7,422,836.57 and 3,643,705.49

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Solution

The fourth proportional to 5,376,879.91, 7,422,836.57 and 3,643,705.49 is: 5,030,171.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,879.91 : 7,422,836.57 = 3,643,705.49 : x
  2. Step 2: Convert to fraction form
    5,376,879.91/7,422,836.57 = 3,643,705.49/x
  3. Step 3: Cross multiply
    5,376,879.91x = 7,422,836.57 × 3,643,705.49
  4. Step 4: Simplify right side
    5,376,879.91x = 27,046,630,343,263.25
  5. Step 5: Solve for x
    x = 27,046,630,343,263.25/5,376,879.91
  6. Step 6: Final answer
    x = 5,030,171.93

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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.