Home / 2,980,333.28-4,112,745.63-1,691,096.78

Finding the Fourth Proportional to 2,980,333.28, 4,112,745.63 and 1,691,096.78

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Solution

The fourth proportional to 2,980,333.28, 4,112,745.63 and 1,691,096.78 is: 2,333,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,333.28 : 4,112,745.63 = 1,691,096.78 : x
  2. Step 2: Convert to fraction form
    2,980,333.28/4,112,745.63 = 1,691,096.78/x
  3. Step 3: Cross multiply
    2,980,333.28x = 4,112,745.63 × 1,691,096.78
  4. Step 4: Simplify right side
    2,980,333.28x = 6,955,050,891,852.07
  5. Step 5: Solve for x
    x = 6,955,050,891,852.07/2,980,333.28
  6. Step 6: Final answer
    x = 2,333,648.70

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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.