Home / 1,937,180.40-2,905,770.60-1,228,009.20

Finding the Fourth Proportional to 1,937,180.40, 2,905,770.60 and 1,228,009.20

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Solution

The fourth proportional to 1,937,180.40, 2,905,770.60 and 1,228,009.20 is: 1,842,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,937,180.40 : 2,905,770.60 = 1,228,009.20 : x
  2. Step 2: Convert to fraction form
    1,937,180.40/2,905,770.60 = 1,228,009.20/x
  3. Step 3: Cross multiply
    1,937,180.40x = 2,905,770.60 × 1,228,009.20
  4. Step 4: Simplify right side
    1,937,180.40x = 3,568,313,029,889.52
  5. Step 5: Solve for x
    x = 3,568,313,029,889.52/1,937,180.40
  6. Step 6: Final answer
    x = 1,842,013.80

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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.