Finding the Fourth Proportional to 4,438,369.84, 6,651,669.42 and 2,279,307.82
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Solution
The fourth proportional to 4,438,369.84, 6,651,669.42 and 2,279,307.82 is: 3,415,939.34
Step by Step Solution
- Step 1: Write the proportion equation
4,438,369.84 : 6,651,669.42 = 2,279,307.82 : x - Step 2: Convert to fraction form
4,438,369.84/6,651,669.42 = 2,279,307.82/x - Step 3: Cross multiply
4,438,369.84x = 6,651,669.42 × 2,279,307.82 - Step 4: Simplify right side
4,438,369.84x = 15,161,202,125,060.86 - Step 5: Solve for x
x = 15,161,202,125,060.86/4,438,369.84 - Step 6: Final answer
x = 3,415,939.34
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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.