Finding the Fourth Proportional to 7,178,560.88, 10,767,841.34 and 2,129,871.38
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Solution
The fourth proportional to 7,178,560.88, 10,767,841.34 and 2,129,871.38 is: 3,194,807.07
Step by Step Solution
- Step 1: Write the proportion equation
7,178,560.88 : 10,767,841.34 = 2,129,871.38 : x - Step 2: Convert to fraction form
7,178,560.88/10,767,841.34 = 2,129,871.38/x - Step 3: Cross multiply
7,178,560.88x = 10,767,841.34 × 2,129,871.38 - Step 4: Simplify right side
7,178,560.88x = 22,934,117,029,958.29 - Step 5: Solve for x
x = 22,934,117,029,958.29/7,178,560.88 - Step 6: Final answer
x = 3,194,807.07
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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.