Home / 2,180,662.80-3,009,314.16-1,213,772.24

Finding the Fourth Proportional to 2,180,662.80, 3,009,314.16 and 1,213,772.24

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Solution

The fourth proportional to 2,180,662.80, 3,009,314.16 and 1,213,772.24 is: 1,675,005.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,662.80 : 3,009,314.16 = 1,213,772.24 : x
  2. Step 2: Convert to fraction form
    2,180,662.80/3,009,314.16 = 1,213,772.24/x
  3. Step 3: Cross multiply
    2,180,662.80x = 3,009,314.16 × 1,213,772.24
  4. Step 4: Simplify right side
    2,180,662.80x = 3,652,621,988,846.92
  5. Step 5: Solve for x
    x = 3,652,621,988,846.92/2,180,662.80
  6. Step 6: Final answer
    x = 1,675,005.41

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1.5x scale

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.