Home / 3,281,980.74-4,920,421.46-2,126,786.96

Finding the Fourth Proportional to 3,281,980.74, 4,920,421.46 and 2,126,786.96

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Solution

The fourth proportional to 3,281,980.74, 4,920,421.46 and 2,126,786.96 is: 3,188,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,980.74 : 4,920,421.46 = 2,126,786.96 : x
  2. Step 2: Convert to fraction form
    3,281,980.74/4,920,421.46 = 2,126,786.96/x
  3. Step 3: Cross multiply
    3,281,980.74x = 4,920,421.46 × 2,126,786.96
  4. Step 4: Simplify right side
    3,281,980.74x = 10,464,688,163,596.12
  5. Step 5: Solve for x
    x = 10,464,688,163,596.12/3,281,980.74
  6. Step 6: Final answer
    x = 3,188,528.21

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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.