Home / 3,670,486.90-5,505,730.35-1,990,870.90

Finding the Fourth Proportional to 3,670,486.90, 5,505,730.35 and 1,990,870.90

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Solution

The fourth proportional to 3,670,486.90, 5,505,730.35 and 1,990,870.90 is: 2,986,306.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,486.90 : 5,505,730.35 = 1,990,870.90 : x
  2. Step 2: Convert to fraction form
    3,670,486.90/5,505,730.35 = 1,990,870.90/x
  3. Step 3: Cross multiply
    3,670,486.90x = 5,505,730.35 × 1,990,870.90
  4. Step 4: Simplify right side
    3,670,486.90x = 10,961,198,337,061.81
  5. Step 5: Solve for x
    x = 10,961,198,337,061.81/3,670,486.90
  6. Step 6: Final answer
    x = 2,986,306.35

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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.