Finding the Fourth Proportional to 6,173,688.08, 8,518,150.68 and 3,560,990.96
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Solution
The fourth proportional to 6,173,688.08, 8,518,150.68 and 3,560,990.96 is: 4,913,279.90
Step by Step Solution
- Step 1: Write the proportion equation
6,173,688.08 : 8,518,150.68 = 3,560,990.96 : x - Step 2: Convert to fraction form
6,173,688.08/8,518,150.68 = 3,560,990.96/x - Step 3: Cross multiply
6,173,688.08x = 8,518,150.68 × 3,560,990.96 - Step 4: Simplify right side
6,173,688.08x = 30,333,057,567,397.85 - Step 5: Solve for x
x = 30,333,057,567,397.85/6,173,688.08 - Step 6: Final answer
x = 4,913,279.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.