Home / 6,463,985.25-8,920,359.83-3,563,479.91

Finding the Fourth Proportional to 6,463,985.25, 8,920,359.83 and 3,563,479.91

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Solution

The fourth proportional to 6,463,985.25, 8,920,359.83 and 3,563,479.91 is: 4,917,635.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463,985.25 : 8,920,359.83 = 3,563,479.91 : x
  2. Step 2: Convert to fraction form
    6,463,985.25/8,920,359.83 = 3,563,479.91/x
  3. Step 3: Cross multiply
    6,463,985.25x = 8,920,359.83 × 3,563,479.91
  4. Step 4: Simplify right side
    6,463,985.25x = 31,787,522,981,756.81
  5. Step 5: Solve for x
    x = 31,787,522,981,756.81/6,463,985.25
  6. Step 6: Final answer
    x = 4,917,635.45

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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.