Home / 3,077,965.35-4,250,315.76-1,918,390.62

Finding the Fourth Proportional to 3,077,965.35, 4,250,315.76 and 1,918,390.62

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Solution

The fourth proportional to 3,077,965.35, 4,250,315.76 and 1,918,390.62 is: 2,649,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,077,965.35 : 4,250,315.76 = 1,918,390.62 : x
  2. Step 2: Convert to fraction form
    3,077,965.35/4,250,315.76 = 1,918,390.62/x
  3. Step 3: Cross multiply
    3,077,965.35x = 4,250,315.76 × 1,918,390.62
  4. Step 4: Simplify right side
    3,077,965.35x = 8,153,765,886,022.17
  5. Step 5: Solve for x
    x = 8,153,765,886,022.17/3,077,965.35
  6. Step 6: Final answer
    x = 2,649,076.57

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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.