Home / 6,466,182-9,699,661.80-1,978,496.88

Finding the Fourth Proportional to 6,466,182, 9,699,661.80 and 1,978,496.88

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Solution

The fourth proportional to 6,466,182, 9,699,661.80 and 1,978,496.88 is: 2,967,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,466,182 : 9,699,661.80 = 1,978,496.88 : x
  2. Step 2: Convert to fraction form
    6,466,182/9,699,661.80 = 1,978,496.88/x
  3. Step 3: Cross multiply
    6,466,182x = 9,699,661.80 × 1,978,496.88
  4. Step 4: Simplify right side
    6,466,182x = 19,190,750,608,355.18
  5. Step 5: Solve for x
    x = 19,190,750,608,355.18/6,466,182
  6. Step 6: Final answer
    x = 2,967,864.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.