Home / 3,370,490.70-4,650,942.98-1,920,099.72

Finding the Fourth Proportional to 3,370,490.70, 4,650,942.98 and 1,920,099.72

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Solution

The fourth proportional to 3,370,490.70, 4,650,942.98 and 1,920,099.72 is: 2,649,547.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,370,490.70 : 4,650,942.98 = 1,920,099.72 : x
  2. Step 2: Convert to fraction form
    3,370,490.70/4,650,942.98 = 1,920,099.72/x
  3. Step 3: Cross multiply
    3,370,490.70x = 4,650,942.98 × 1,920,099.72
  4. Step 4: Simplify right side
    3,370,490.70x = 8,930,274,313,633.97
  5. Step 5: Solve for x
    x = 8,930,274,313,633.97/3,370,490.70
  6. Step 6: Final answer
    x = 2,649,547.23

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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.