Finding the Fourth Proportional to 7,134,474.60, 10,703,007.90 and 2,340,829.80
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Solution
The fourth proportional to 7,134,474.60, 10,703,007.90 and 2,340,829.80 is: 3,511,669.92
Step by Step Solution
- Step 1: Write the proportion equation
7,134,474.60 : 10,703,007.90 = 2,340,829.80 : x - Step 2: Convert to fraction form
7,134,474.60/10,703,007.90 = 2,340,829.80/x - Step 3: Cross multiply
7,134,474.60x = 10,703,007.90 × 2,340,829.80 - Step 4: Simplify right side
7,134,474.60x = 25,053,919,841,955.42 - Step 5: Solve for x
x = 25,053,919,841,955.42/7,134,474.60 - Step 6: Final answer
x = 3,511,669.92
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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.