Home / 2,101,984.75-2,901,211.46-1,376,411.05

Finding the Fourth Proportional to 2,101,984.75, 2,901,211.46 and 1,376,411.05

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Solution

The fourth proportional to 2,101,984.75, 2,901,211.46 and 1,376,411.05 is: 1,899,756.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101,984.75 : 2,901,211.46 = 1,376,411.05 : x
  2. Step 2: Convert to fraction form
    2,101,984.75/2,901,211.46 = 1,376,411.05/x
  3. Step 3: Cross multiply
    2,101,984.75x = 2,901,211.46 × 1,376,411.05
  4. Step 4: Simplify right side
    2,101,984.75x = 3,993,259,511,930.63
  5. Step 5: Solve for x
    x = 3,993,259,511,930.63/2,101,984.75
  6. Step 6: Final answer
    x = 1,899,756.65

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Double scale
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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.