Finding the Fourth Proportional to 5,142,674.08, 7,714,257.16 and 4,242,446.56
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Solution
The fourth proportional to 5,142,674.08, 7,714,257.16 and 4,242,446.56 is: 6,363,872.81
Step by Step Solution
- Step 1: Write the proportion equation
5,142,674.08 : 7,714,257.16 = 4,242,446.56 : x - Step 2: Convert to fraction form
5,142,674.08/7,714,257.16 = 4,242,446.56/x - Step 3: Cross multiply
5,142,674.08x = 7,714,257.16 × 4,242,446.56 - Step 4: Simplify right side
5,142,674.08x = 32,727,323,751,397.37 - Step 5: Solve for x
x = 32,727,323,751,397.37/5,142,674.08 - Step 6: Final answer
x = 6,363,872.81
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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.