Home / 3,150,714-4,347,985.32-1,719,930

Finding the Fourth Proportional to 3,150,714, 4,347,985.32 and 1,719,930

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Solution

The fourth proportional to 3,150,714, 4,347,985.32 and 1,719,930 is: 2,373,503.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150,714 : 4,347,985.32 = 1,719,930 : x
  2. Step 2: Convert to fraction form
    3,150,714/4,347,985.32 = 1,719,930/x
  3. Step 3: Cross multiply
    3,150,714x = 4,347,985.32 × 1,719,930
  4. Step 4: Simplify right side
    3,150,714x = 7,478,230,391,427.60
  5. Step 5: Solve for x
    x = 7,478,230,391,427.60/3,150,714
  6. Step 6: Final answer
    x = 2,373,503.40

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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.