Home / 2,103,555.78-2,902,424.94-1,328,254.70

Finding the Fourth Proportional to 2,103,555.78, 2,902,424.94 and 1,328,254.70

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Solution

The fourth proportional to 2,103,555.78, 2,902,424.94 and 1,328,254.70 is: 1,832,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,555.78 : 2,902,424.94 = 1,328,254.70 : x
  2. Step 2: Convert to fraction form
    2,103,555.78/2,902,424.94 = 1,328,254.70/x
  3. Step 3: Cross multiply
    2,103,555.78x = 2,902,424.94 × 1,328,254.70
  4. Step 4: Simplify right side
    2,103,555.78x = 3,855,159,553,440.09
  5. Step 5: Solve for x
    x = 3,855,159,553,440.09/2,103,555.78
  6. Step 6: Final answer
    x = 1,832,687.11

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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.