Finding the Fourth Proportional to 6,172,308.44, 9,258,905.52 and 2,128,736.79
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Solution
The fourth proportional to 6,172,308.44, 9,258,905.52 and 2,128,736.79 is: 3,193,257.92
Step by Step Solution
- Step 1: Write the proportion equation
6,172,308.44 : 9,258,905.52 = 2,128,736.79 : x - Step 2: Convert to fraction form
6,172,308.44/9,258,905.52 = 2,128,736.79/x - Step 3: Cross multiply
6,172,308.44x = 9,258,905.52 × 2,128,736.79 - Step 4: Simplify right side
6,172,308.44x = 19,709,772,815,558.08 - Step 5: Solve for x
x = 19,709,772,815,558.08/6,172,308.44 - Step 6: Final answer
x = 3,193,257.92
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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.