Finding the Fourth Proportional to 5,319,193.61, 7,979,911.33 and 1,724,680.26
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Solution
The fourth proportional to 5,319,193.61, 7,979,911.33 and 1,724,680.26 is: 2,587,383.84
Step by Step Solution
- Step 1: Write the proportion equation
5,319,193.61 : 7,979,911.33 = 1,724,680.26 : x - Step 2: Convert to fraction form
5,319,193.61/7,979,911.33 = 1,724,680.26/x - Step 3: Cross multiply
5,319,193.61x = 7,979,911.33 × 1,724,680.26 - Step 4: Simplify right side
5,319,193.61x = 13,762,795,563,039.42 - Step 5: Solve for x
x = 13,762,795,563,039.42/5,319,193.61 - Step 6: Final answer
x = 2,587,383.84
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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.