Finding the Fourth Proportional to 3,567,485.84, 5,351,213.66 and 1,292,476.83
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Solution
The fourth proportional to 3,567,485.84, 5,351,213.66 and 1,292,476.83 is: 1,938,709.78
Step by Step Solution
- Step 1: Write the proportion equation
3,567,485.84 : 5,351,213.66 = 1,292,476.83 : x - Step 2: Convert to fraction form
3,567,485.84/5,351,213.66 = 1,292,476.83/x - Step 3: Cross multiply
3,567,485.84x = 5,351,213.66 × 1,292,476.83 - Step 4: Simplify right side
3,567,485.84x = 6,916,319,661,467.11 - Step 5: Solve for x
x = 6,916,319,661,467.11/3,567,485.84 - Step 6: Final answer
x = 1,938,709.78
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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.