Home / 3,386,459.75-4,673,418.42-1,990,765.42

Finding the Fourth Proportional to 3,386,459.75, 4,673,418.42 and 1,990,765.42

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Solution

The fourth proportional to 3,386,459.75, 4,673,418.42 and 1,990,765.42 is: 2,747,317.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386,459.75 : 4,673,418.42 = 1,990,765.42 : x
  2. Step 2: Convert to fraction form
    3,386,459.75/4,673,418.42 = 1,990,765.42/x
  3. Step 3: Cross multiply
    3,386,459.75x = 4,673,418.42 × 1,990,765.42
  4. Step 4: Simplify right side
    3,386,459.75x = 9,303,679,777,682.65
  5. Step 5: Solve for x
    x = 9,303,679,777,682.65/3,386,459.75
  6. Step 6: Final answer
    x = 2,747,317.40

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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.