Home / 3,115,907.51-4,673,139.55-985,594.55

Finding the Fourth Proportional to 3,115,907.51, 4,673,139.55 and 985,594.55

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Solution

The fourth proportional to 3,115,907.51, 4,673,139.55 and 985,594.55 is: 1,478,163.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,907.51 : 4,673,139.55 = 985,594.55 : x
  2. Step 2: Convert to fraction form
    3,115,907.51/4,673,139.55 = 985,594.55/x
  3. Step 3: Cross multiply
    3,115,907.51x = 4,673,139.55 × 985,594.55
  4. Step 4: Simplify right side
    3,115,907.51x = 4,605,820,846,039.77
  5. Step 5: Solve for x
    x = 4,605,820,846,039.77/3,115,907.51
  6. Step 6: Final answer
    x = 1,478,163.53

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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.