Home / 3,362,205.78-4,639,654.89-1,912,253.94

Finding the Fourth Proportional to 3,362,205.78, 4,639,654.89 and 1,912,253.94

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Solution

The fourth proportional to 3,362,205.78, 4,639,654.89 and 1,912,253.94 is: 2,638,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362,205.78 : 4,639,654.89 = 1,912,253.94 : x
  2. Step 2: Convert to fraction form
    3,362,205.78/4,639,654.89 = 1,912,253.94/x
  3. Step 3: Cross multiply
    3,362,205.78x = 4,639,654.89 × 1,912,253.94
  4. Step 4: Simplify right side
    3,362,205.78x = 8,872,198,343,642.77
  5. Step 5: Solve for x
    x = 8,872,198,343,642.77/3,362,205.78
  6. Step 6: Final answer
    x = 2,638,802.89

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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.