Home / 2,969,128.32-4,097,346-1,807,153.44

Finding the Fourth Proportional to 2,969,128.32, 4,097,346 and 1,807,153.44

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Solution

The fourth proportional to 2,969,128.32, 4,097,346 and 1,807,153.44 is: 2,493,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,969,128.32 : 4,097,346 = 1,807,153.44 : x
  2. Step 2: Convert to fraction form
    2,969,128.32/4,097,346 = 1,807,153.44/x
  3. Step 3: Cross multiply
    2,969,128.32x = 4,097,346 × 1,807,153.44
  4. Step 4: Simplify right side
    2,969,128.32x = 7,404,532,918,770.24
  5. Step 5: Solve for x
    x = 7,404,532,918,770.24/2,969,128.32
  6. Step 6: Final answer
    x = 2,493,840.66

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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.