Home / 2,780,347.60-4,162,994.67-1,967,390.50

Finding the Fourth Proportional to 2,780,347.60, 4,162,994.67 and 1,967,390.50

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Solution

The fourth proportional to 2,780,347.60, 4,162,994.67 and 1,967,390.50 is: 2,945,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,347.60 : 4,162,994.67 = 1,967,390.50 : x
  2. Step 2: Convert to fraction form
    2,780,347.60/4,162,994.67 = 1,967,390.50/x
  3. Step 3: Cross multiply
    2,780,347.60x = 4,162,994.67 × 1,967,390.50
  4. Step 4: Simplify right side
    2,780,347.60x = 8,190,236,152,842.77
  5. Step 5: Solve for x
    x = 8,190,236,152,842.77/2,780,347.60
  6. Step 6: Final answer
    x = 2,945,759.78

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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.