Home / 3,138,388-4,708,281.84-1,143,844

Finding the Fourth Proportional to 3,138,388, 4,708,281.84 and 1,143,844

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Solution

The fourth proportional to 3,138,388, 4,708,281.84 and 1,143,844 is: 1,716,021.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,388 : 4,708,281.84 = 1,143,844 : x
  2. Step 2: Convert to fraction form
    3,138,388/4,708,281.84 = 1,143,844/x
  3. Step 3: Cross multiply
    3,138,388x = 4,708,281.84 × 1,143,844
  4. Step 4: Simplify right side
    3,138,388x = 5,385,539,932,992.96
  5. Step 5: Solve for x
    x = 5,385,539,932,992.96/3,138,388
  6. Step 6: Final answer
    x = 1,716,021.07

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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.