Home / 1,690,683.74-2,331,783.12-1,486,297.66

Finding the Fourth Proportional to 1,690,683.74, 2,331,783.12 and 1,486,297.66

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Solution

The fourth proportional to 1,690,683.74, 2,331,783.12 and 1,486,297.66 is: 2,049,894.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,683.74 : 2,331,783.12 = 1,486,297.66 : x
  2. Step 2: Convert to fraction form
    1,690,683.74/2,331,783.12 = 1,486,297.66/x
  3. Step 3: Cross multiply
    1,690,683.74x = 2,331,783.12 × 1,486,297.66
  4. Step 4: Simplify right side
    1,690,683.74x = 3,465,723,794,883.50
  5. Step 5: Solve for x
    x = 3,465,723,794,883.50/1,690,683.74
  6. Step 6: Final answer
    x = 2,049,894.79

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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.