Home / 1,939,588.20-2,907,999.90-741,047.40

Finding the Fourth Proportional to 1,939,588.20, 2,907,999.90 and 741,047.40

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Solution

The fourth proportional to 1,939,588.20, 2,907,999.90 and 741,047.40 is: 1,111,042.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,588.20 : 2,907,999.90 = 741,047.40 : x
  2. Step 2: Convert to fraction form
    1,939,588.20/2,907,999.90 = 741,047.40/x
  3. Step 3: Cross multiply
    1,939,588.20x = 2,907,999.90 × 741,047.40
  4. Step 4: Simplify right side
    1,939,588.20x = 2,154,965,765,095.26
  5. Step 5: Solve for x
    x = 2,154,965,765,095.26/1,939,588.20
  6. Step 6: Final answer
    x = 1,111,042.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.