Home / 3,143,923.93-4,712,496.45-1,521,265.51

Finding the Fourth Proportional to 3,143,923.93, 4,712,496.45 and 1,521,265.51

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Solution

The fourth proportional to 3,143,923.93, 4,712,496.45 and 1,521,265.51 is: 2,280,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,923.93 : 4,712,496.45 = 1,521,265.51 : x
  2. Step 2: Convert to fraction form
    3,143,923.93/4,712,496.45 = 1,521,265.51/x
  3. Step 3: Cross multiply
    3,143,923.93x = 4,712,496.45 × 1,521,265.51
  4. Step 4: Simplify right side
    3,143,923.93x = 7,168,958,315,382.44
  5. Step 5: Solve for x
    x = 7,168,958,315,382.44/3,143,923.93
  6. Step 6: Final answer
    x = 2,280,258.20

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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.