Home / 2,180,205.84-3,008,825.52-1,213,333.28

Finding the Fourth Proportional to 2,180,205.84, 3,008,825.52 and 1,213,333.28

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Solution

The fourth proportional to 2,180,205.84, 3,008,825.52 and 1,213,333.28 is: 1,674,478.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,205.84 : 3,008,825.52 = 1,213,333.28 : x
  2. Step 2: Convert to fraction form
    2,180,205.84/3,008,825.52 = 1,213,333.28/x
  3. Step 3: Cross multiply
    2,180,205.84x = 3,008,825.52 × 1,213,333.28
  4. Step 4: Simplify right side
    2,180,205.84x = 3,650,708,137,129.31
  5. Step 5: Solve for x
    x = 3,650,708,137,129.31/2,180,205.84
  6. Step 6: Final answer
    x = 1,674,478.65

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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.