Home / 1,877,428.72-2,590,902.59-1,061,754.38

Finding the Fourth Proportional to 1,877,428.72, 2,590,902.59 and 1,061,754.38

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Solution

The fourth proportional to 1,877,428.72, 2,590,902.59 and 1,061,754.38 is: 1,465,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,877,428.72 : 2,590,902.59 = 1,061,754.38 : x
  2. Step 2: Convert to fraction form
    1,877,428.72/2,590,902.59 = 1,061,754.38/x
  3. Step 3: Cross multiply
    1,877,428.72x = 2,590,902.59 × 1,061,754.38
  4. Step 4: Simplify right side
    1,877,428.72x = 2,750,902,164,538.44
  5. Step 5: Solve for x
    x = 2,750,902,164,538.44/1,877,428.72
  6. Step 6: Final answer
    x = 1,465,249.86

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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.