Finding the Fourth Proportional to 4,143,237.48, 5,717,955.09 and 2,511,713.61
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Solution
The fourth proportional to 4,143,237.48, 5,717,955.09 and 2,511,713.61 is: 3,466,338.99
Step by Step Solution
- Step 1: Write the proportion equation
4,143,237.48 : 5,717,955.09 = 2,511,713.61 : x - Step 2: Convert to fraction form
4,143,237.48/5,717,955.09 = 2,511,713.61/x - Step 3: Cross multiply
4,143,237.48x = 5,717,955.09 × 2,511,713.61 - Step 4: Simplify right side
4,143,237.48x = 14,361,865,620,921.77 - Step 5: Solve for x
x = 14,361,865,620,921.77/4,143,237.48 - Step 6: Final answer
x = 3,466,338.99
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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.