Finding the Fourth Proportional to 6,680,656.62, 10,008,088.92 and 3,987,132.84
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Solution
The fourth proportional to 6,680,656.62, 10,008,088.92 and 3,987,132.84 is: 5,973,002.70
Step by Step Solution
- Step 1: Write the proportion equation
6,680,656.62 : 10,008,088.92 = 3,987,132.84 : x - Step 2: Convert to fraction form
6,680,656.62/10,008,088.92 = 3,987,132.84/x - Step 3: Cross multiply
6,680,656.62x = 10,008,088.92 × 3,987,132.84 - Step 4: Simplify right side
6,680,656.62x = 39,903,579,998,572.13 - Step 5: Solve for x
x = 39,903,579,998,572.13/6,680,656.62 - Step 6: Final answer
x = 5,973,002.70
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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.