Home / 3,400,321.74-4,692,450.87-1,872,431.70

Finding the Fourth Proportional to 3,400,321.74, 4,692,450.87 and 1,872,431.70

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Solution

The fourth proportional to 3,400,321.74, 4,692,450.87 and 1,872,431.70 is: 2,583,959.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400,321.74 : 4,692,450.87 = 1,872,431.70 : x
  2. Step 2: Convert to fraction form
    3,400,321.74/4,692,450.87 = 1,872,431.70/x
  3. Step 3: Cross multiply
    3,400,321.74x = 4,692,450.87 × 1,872,431.70
  4. Step 4: Simplify right side
    3,400,321.74x = 8,786,293,759,680.58
  5. Step 5: Solve for x
    x = 8,786,293,759,680.58/3,400,321.74
  6. Step 6: Final answer
    x = 2,583,959.53

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1.5x scale

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.