Finding the Fourth Proportional to 3,077,916.68, 4,617,107.09 and 918,771.23
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Solution
The fourth proportional to 3,077,916.68, 4,617,107.09 and 918,771.23 is: 1,378,226.12
Step by Step Solution
- Step 1: Write the proportion equation
3,077,916.68 : 4,617,107.09 = 918,771.23 : x - Step 2: Convert to fraction form
3,077,916.68/4,617,107.09 = 918,771.23/x - Step 3: Cross multiply
3,077,916.68x = 4,617,107.09 × 918,771.23 - Step 4: Simplify right side
3,077,916.68x = 4,242,065,160,121.02 - Step 5: Solve for x
x = 4,242,065,160,121.02/3,077,916.68 - Step 6: Final answer
x = 1,378,226.12
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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.