Home / 6,126,189.76-9,189,282.48-1,638,349.12

Finding the Fourth Proportional to 6,126,189.76, 9,189,282.48 and 1,638,349.12

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Solution

The fourth proportional to 6,126,189.76, 9,189,282.48 and 1,638,349.12 is: 2,457,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126,189.76 : 9,189,282.48 = 1,638,349.12 : x
  2. Step 2: Convert to fraction form
    6,126,189.76/9,189,282.48 = 1,638,349.12/x
  3. Step 3: Cross multiply
    6,126,189.76x = 9,189,282.48 × 1,638,349.12
  4. Step 4: Simplify right side
    6,126,189.76x = 15,055,252,864,539.42
  5. Step 5: Solve for x
    x = 15,055,252,864,539.42/6,126,189.76
  6. Step 6: Final answer
    x = 2,457,523.10

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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.