Home / 2,173,861.63-3,261,206.63-877,116.88

Finding the Fourth Proportional to 2,173,861.63, 3,261,206.63 and 877,116.88

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Solution

The fourth proportional to 2,173,861.63, 3,261,206.63 and 877,116.88 is: 1,315,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,173,861.63 : 3,261,206.63 = 877,116.88 : x
  2. Step 2: Convert to fraction form
    2,173,861.63/3,261,206.63 = 877,116.88/x
  3. Step 3: Cross multiply
    2,173,861.63x = 3,261,206.63 × 877,116.88
  4. Step 4: Simplify right side
    2,173,861.63x = 2,860,459,384,340.91
  5. Step 5: Solve for x
    x = 2,860,459,384,340.91/2,173,861.63
  6. Step 6: Final answer
    x = 1,315,842.44

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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.