Finding the Fourth Proportional to 7,318,066.17, 10,976,102.79 and 1,926,265.08
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Solution
The fourth proportional to 7,318,066.17, 10,976,102.79 and 1,926,265.08 is: 2,889,135.33
Step by Step Solution
- Step 1: Write the proportion equation
7,318,066.17 : 10,976,102.79 = 1,926,265.08 : x - Step 2: Convert to fraction form
7,318,066.17/10,976,102.79 = 1,926,265.08/x - Step 3: Cross multiply
7,318,066.17x = 10,976,102.79 × 1,926,265.08 - Step 4: Simplify right side
7,318,066.17x = 21,142,883,563,639.70 - Step 5: Solve for x
x = 21,142,883,563,639.70/7,318,066.17 - Step 6: Final answer
x = 2,889,135.33
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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.