Home / 1,989,797.22-2,745,920.25-1,084,378.50

Finding the Fourth Proportional to 1,989,797.22, 2,745,920.25 and 1,084,378.50

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Solution

The fourth proportional to 1,989,797.22, 2,745,920.25 and 1,084,378.50 is: 1,496,442.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,797.22 : 2,745,920.25 = 1,084,378.50 : x
  2. Step 2: Convert to fraction form
    1,989,797.22/2,745,920.25 = 1,084,378.50/x
  3. Step 3: Cross multiply
    1,989,797.22x = 2,745,920.25 × 1,084,378.50
  4. Step 4: Simplify right side
    1,989,797.22x = 2,977,616,881,814.63
  5. Step 5: Solve for x
    x = 2,977,616,881,814.63/1,989,797.22
  6. Step 6: Final answer
    x = 1,496,442.38

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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.