Home / 5,518,728.81-8,275,311.14-1,679,814.81

Finding the Fourth Proportional to 5,518,728.81, 8,275,311.14 and 1,679,814.81

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Solution

The fourth proportional to 5,518,728.81, 8,275,311.14 and 1,679,814.81 is: 2,518,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,728.81 : 8,275,311.14 = 1,679,814.81 : x
  2. Step 2: Convert to fraction form
    5,518,728.81/8,275,311.14 = 1,679,814.81/x
  3. Step 3: Cross multiply
    5,518,728.81x = 8,275,311.14 × 1,679,814.81
  4. Step 4: Simplify right side
    5,518,728.81x = 13,900,990,201,930.91
  5. Step 5: Solve for x
    x = 13,900,990,201,930.91/5,518,728.81
  6. Step 6: Final answer
    x = 2,518,875.39

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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.