Home / 2,180,698.44-3,009,296.85-1,213,803.90

Finding the Fourth Proportional to 2,180,698.44, 3,009,296.85 and 1,213,803.90

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Solution

The fourth proportional to 2,180,698.44, 3,009,296.85 and 1,213,803.90 is: 1,675,012.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,698.44 : 3,009,296.85 = 1,213,803.90 : x
  2. Step 2: Convert to fraction form
    2,180,698.44/3,009,296.85 = 1,213,803.90/x
  3. Step 3: Cross multiply
    2,180,698.44x = 3,009,296.85 × 1,213,803.90
  4. Step 4: Simplify right side
    2,180,698.44x = 3,652,696,252,787.72
  5. Step 5: Solve for x
    x = 3,652,696,252,787.72/2,180,698.44
  6. Step 6: Final answer
    x = 1,675,012.09

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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.