Home / 3,143,787.95-4,715,681.31-1,345,505.33

Finding the Fourth Proportional to 3,143,787.95, 4,715,681.31 and 1,345,505.33

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Solution

The fourth proportional to 3,143,787.95, 4,715,681.31 and 1,345,505.33 is: 2,018,257.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,787.95 : 4,715,681.31 = 1,345,505.33 : x
  2. Step 2: Convert to fraction form
    3,143,787.95/4,715,681.31 = 1,345,505.33/x
  3. Step 3: Cross multiply
    3,143,787.95x = 4,715,681.31 × 1,345,505.33
  4. Step 4: Simplify right side
    3,143,787.95x = 6,344,974,313,607.98
  5. Step 5: Solve for x
    x = 6,344,974,313,607.98/3,143,787.95
  6. Step 6: Final answer
    x = 2,018,257.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.