Finding the Fourth Proportional to 5,319,200.71, 7,979,921.97 and 1,724,687.36
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Solution
The fourth proportional to 5,319,200.71, 7,979,921.97 and 1,724,687.36 is: 2,587,394.48
Step by Step Solution
- Step 1: Write the proportion equation
5,319,200.71 : 7,979,921.97 = 1,724,687.36 : x - Step 2: Convert to fraction form
5,319,200.71/7,979,921.97 = 1,724,687.36/x - Step 3: Cross multiply
5,319,200.71x = 7,979,921.97 × 1,724,687.36 - Step 4: Simplify right side
5,319,200.71x = 13,762,870,555,445.30 - Step 5: Solve for x
x = 13,762,870,555,445.30/5,319,200.71 - Step 6: Final answer
x = 2,587,394.48
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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.