Home / 3,091,113.45-4,261,816.65-2,209,116.60

Finding the Fourth Proportional to 3,091,113.45, 4,261,816.65 and 2,209,116.60

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Solution

The fourth proportional to 3,091,113.45, 4,261,816.65 and 2,209,116.60 is: 3,045,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,113.45 : 4,261,816.65 = 2,209,116.60 : x
  2. Step 2: Convert to fraction form
    3,091,113.45/4,261,816.65 = 2,209,116.60/x
  3. Step 3: Cross multiply
    3,091,113.45x = 4,261,816.65 × 2,209,116.60
  4. Step 4: Simplify right side
    3,091,113.45x = 9,414,849,907,671.39
  5. Step 5: Solve for x
    x = 9,414,849,907,671.39/3,091,113.45
  6. Step 6: Final answer
    x = 3,045,779.48

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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.