Finding the Fourth Proportional to 5,319,725.49, 7,980,709.07 and 1,725,212.16
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Solution
The fourth proportional to 5,319,725.49, 7,980,709.07 and 1,725,212.16 is: 2,588,181.73
Step by Step Solution
- Step 1: Write the proportion equation
5,319,725.49 : 7,980,709.07 = 1,725,212.16 : x - Step 2: Convert to fraction form
5,319,725.49/7,980,709.07 = 1,725,212.16/x - Step 3: Cross multiply
5,319,725.49x = 7,980,709.07 × 1,725,212.16 - Step 4: Simplify right side
5,319,725.49x = 13,768,416,284,456.69 - Step 5: Solve for x
x = 13,768,416,284,456.69/5,319,725.49 - Step 6: Final answer
x = 2,588,181.73
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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.