Finding the Fourth Proportional to 5,341,939.12, 7,371,715.80 and 3,049,652.08
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Solution
The fourth proportional to 5,341,939.12, 7,371,715.80 and 3,049,652.08 is: 4,208,428.42
Step by Step Solution
- Step 1: Write the proportion equation
5,341,939.12 : 7,371,715.80 = 3,049,652.08 : x - Step 2: Convert to fraction form
5,341,939.12/7,371,715.80 = 3,049,652.08/x - Step 3: Cross multiply
5,341,939.12x = 7,371,715.80 × 3,049,652.08 - Step 4: Simplify right side
5,341,939.12x = 22,481,168,422,638.86 - Step 5: Solve for x
x = 22,481,168,422,638.86/5,341,939.12 - Step 6: Final answer
x = 4,208,428.42
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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.