Home / 3,586,579.40-5,379,893.32-1,311,167.74

Finding the Fourth Proportional to 3,586,579.40, 5,379,893.32 and 1,311,167.74

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Solution

The fourth proportional to 3,586,579.40, 5,379,893.32 and 1,311,167.74 is: 1,966,760.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586,579.40 : 5,379,893.32 = 1,311,167.74 : x
  2. Step 2: Convert to fraction form
    3,586,579.40/5,379,893.32 = 1,311,167.74/x
  3. Step 3: Cross multiply
    3,586,579.40x = 5,379,893.32 × 1,311,167.74
  4. Step 4: Simplify right side
    3,586,579.40x = 7,053,942,565,825.50
  5. Step 5: Solve for x
    x = 7,053,942,565,825.50/3,586,579.40
  6. Step 6: Final answer
    x = 1,966,760.46

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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.