Home / 3,091,111.13-4,261,813.45-2,209,114.28

Finding the Fourth Proportional to 3,091,111.13, 4,261,813.45 and 2,209,114.28

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Solution

The fourth proportional to 3,091,111.13, 4,261,813.45 and 2,209,114.28 is: 3,045,776.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091,111.13 : 4,261,813.45 = 2,209,114.28 : x
  2. Step 2: Convert to fraction form
    3,091,111.13/4,261,813.45 = 2,209,114.28/x
  3. Step 3: Cross multiply
    3,091,111.13x = 4,261,813.45 × 2,209,114.28
  4. Step 4: Simplify right side
    3,091,111.13x = 9,414,832,929,782.00
  5. Step 5: Solve for x
    x = 9,414,832,929,782.00/3,091,111.13
  6. Step 6: Final answer
    x = 3,045,776.28

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Double scale
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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.