Home / 1,892,256.96-2,611,317.12-1,213,193.44

Finding the Fourth Proportional to 1,892,256.96, 2,611,317.12 and 1,213,193.44

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Solution

The fourth proportional to 1,892,256.96, 2,611,317.12 and 1,213,193.44 is: 1,674,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,892,256.96 : 2,611,317.12 = 1,213,193.44 : x
  2. Step 2: Convert to fraction form
    1,892,256.96/2,611,317.12 = 1,213,193.44/x
  3. Step 3: Cross multiply
    1,892,256.96x = 2,611,317.12 × 1,213,193.44
  4. Step 4: Simplify right side
    1,892,256.96x = 3,168,032,799,743.69
  5. Step 5: Solve for x
    x = 3,168,032,799,743.69/1,892,256.96
  6. Step 6: Final answer
    x = 1,674,208.56

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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.