Finding the Fourth Proportional to 5,537,936.16, 8,306,866.80 and 2,980,354.72
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Solution
The fourth proportional to 5,537,936.16, 8,306,866.80 and 2,980,354.72 is: 4,470,511.93
Step by Step Solution
- Step 1: Write the proportion equation
5,537,936.16 : 8,306,866.80 = 2,980,354.72 : x - Step 2: Convert to fraction form
5,537,936.16/8,306,866.80 = 2,980,354.72/x - Step 3: Cross multiply
5,537,936.16x = 8,306,866.80 × 2,980,354.72 - Step 4: Simplify right side
5,537,936.16x = 24,757,409,675,791.30 - Step 5: Solve for x
x = 24,757,409,675,791.30/5,537,936.16 - Step 6: Final answer
x = 4,470,511.93
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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.