Finding the Fourth Proportional to 3,697,830.36, 5,548,006.64 and 1,992,148.63
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Solution
The fourth proportional to 3,697,830.36, 5,548,006.64 and 1,992,148.63 is: 2,988,902.34
Step by Step Solution
- Step 1: Write the proportion equation
3,697,830.36 : 5,548,006.64 = 1,992,148.63 : x - Step 2: Convert to fraction form
3,697,830.36/5,548,006.64 = 1,992,148.63/x - Step 3: Cross multiply
3,697,830.36x = 5,548,006.64 × 1,992,148.63 - Step 4: Simplify right side
3,697,830.36x = 11,052,453,818,217.26 - Step 5: Solve for x
x = 11,052,453,818,217.26/3,697,830.36 - Step 6: Final answer
x = 2,988,902.34
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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.