Home / 3,118,520.58-4,303,355.76-1,811,656.86

Finding the Fourth Proportional to 3,118,520.58, 4,303,355.76 and 1,811,656.86

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Solution

The fourth proportional to 3,118,520.58, 4,303,355.76 and 1,811,656.86 is: 2,499,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,520.58 : 4,303,355.76 = 1,811,656.86 : x
  2. Step 2: Convert to fraction form
    3,118,520.58/4,303,355.76 = 1,811,656.86/x
  3. Step 3: Cross multiply
    3,118,520.58x = 4,303,355.76 × 1,811,656.86
  4. Step 4: Simplify right side
    3,118,520.58x = 7,796,203,983,624.51
  5. Step 5: Solve for x
    x = 7,796,203,983,624.51/3,118,520.58
  6. Step 6: Final answer
    x = 2,499,968.75

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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.