Home / 2,770,980.60-4,159,581.30-2,142,679.80

Finding the Fourth Proportional to 2,770,980.60, 4,159,581.30 and 2,142,679.80

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Solution

The fourth proportional to 2,770,980.60, 4,159,581.30 and 2,142,679.80 is: 3,216,424.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770,980.60 : 4,159,581.30 = 2,142,679.80 : x
  2. Step 2: Convert to fraction form
    2,770,980.60/4,159,581.30 = 2,142,679.80/x
  3. Step 3: Cross multiply
    2,770,980.60x = 4,159,581.30 × 2,142,679.80
  4. Step 4: Simplify right side
    2,770,980.60x = 8,912,650,827,967.74
  5. Step 5: Solve for x
    x = 8,912,650,827,967.74/2,770,980.60
  6. Step 6: Final answer
    x = 3,216,424.84

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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.