Home / 2,008,178.36-3,012,364.42-660,311.13

Finding the Fourth Proportional to 2,008,178.36, 3,012,364.42 and 660,311.13

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Solution

The fourth proportional to 2,008,178.36, 3,012,364.42 and 660,311.13 is: 990,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008,178.36 : 3,012,364.42 = 660,311.13 : x
  2. Step 2: Convert to fraction form
    2,008,178.36/3,012,364.42 = 660,311.13/x
  3. Step 3: Cross multiply
    2,008,178.36x = 3,012,364.42 × 660,311.13
  4. Step 4: Simplify right side
    2,008,178.36x = 1,989,097,742,810.20
  5. Step 5: Solve for x
    x = 1,989,097,742,810.20/2,008,178.36
  6. Step 6: Final answer
    x = 990,498.54

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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.