Home / 1,929,225.64-2,662,467.78-1,069,868.20

Finding the Fourth Proportional to 1,929,225.64, 2,662,467.78 and 1,069,868.20

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Solution

The fourth proportional to 1,929,225.64, 2,662,467.78 and 1,069,868.20 is: 1,476,493.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929,225.64 : 2,662,467.78 = 1,069,868.20 : x
  2. Step 2: Convert to fraction form
    1,929,225.64/2,662,467.78 = 1,069,868.20/x
  3. Step 3: Cross multiply
    1,929,225.64x = 2,662,467.78 × 1,069,868.20
  4. Step 4: Simplify right side
    1,929,225.64x = 2,848,489,611,346.60
  5. Step 5: Solve for x
    x = 2,848,489,611,346.60/1,929,225.64
  6. Step 6: Final answer
    x = 1,476,493.76

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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.