Home / 3,317,212.79-4,576,996.35-1,866,378.86

Finding the Fourth Proportional to 3,317,212.79, 4,576,996.35 and 1,866,378.86

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Solution

The fourth proportional to 3,317,212.79, 4,576,996.35 and 1,866,378.86 is: 2,575,176.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317,212.79 : 4,576,996.35 = 1,866,378.86 : x
  2. Step 2: Convert to fraction form
    3,317,212.79/4,576,996.35 = 1,866,378.86/x
  3. Step 3: Cross multiply
    3,317,212.79x = 4,576,996.35 × 1,866,378.86
  4. Step 4: Simplify right side
    3,317,212.79x = 8,542,409,255,210.52
  5. Step 5: Solve for x
    x = 8,542,409,255,210.52/3,317,212.79
  6. Step 6: Final answer
    x = 2,575,176.75

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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.