Finding the Fourth Proportional to 5,465,125.10, 8,198,916.45 and 1,678,782.70
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Solution
The fourth proportional to 5,465,125.10, 8,198,916.45 and 1,678,782.70 is: 2,518,551.51
Step by Step Solution
- Step 1: Write the proportion equation
5,465,125.10 : 8,198,916.45 = 1,678,782.70 : x - Step 2: Convert to fraction form
5,465,125.10/8,198,916.45 = 1,678,782.70/x - Step 3: Cross multiply
5,465,125.10x = 8,198,916.45 × 1,678,782.70 - Step 4: Simplify right side
5,465,125.10x = 13,764,199,095,005.41 - Step 5: Solve for x
x = 13,764,199,095,005.41/5,465,125.10 - Step 6: Final answer
x = 2,518,551.51
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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.