Finding the Fourth Proportional to 6,463,510.23, 8,919,198.21 and 3,634,979.76
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Solution
The fourth proportional to 6,463,510.23, 8,919,198.21 and 3,634,979.76 is: 5,016,021.30
Step by Step Solution
- Step 1: Write the proportion equation
6,463,510.23 : 8,919,198.21 = 3,634,979.76 : x - Step 2: Convert to fraction form
6,463,510.23/8,919,198.21 = 3,634,979.76/x - Step 3: Cross multiply
6,463,510.23x = 8,919,198.21 × 3,634,979.76 - Step 4: Simplify right side
6,463,510.23x = 32,421,104,968,778.23 - Step 5: Solve for x
x = 32,421,104,968,778.23/6,463,510.23 - Step 6: Final answer
x = 5,016,021.30
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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.