Finding the Fourth Proportional to 3,849,495.28, 5,312,550.10 and 2,217,872.99
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Solution
The fourth proportional to 3,849,495.28, 5,312,550.10 and 2,217,872.99 is: 3,060,806.81
Step by Step Solution
- Step 1: Write the proportion equation
3,849,495.28 : 5,312,550.10 = 2,217,872.99 : x - Step 2: Convert to fraction form
3,849,495.28/5,312,550.10 = 2,217,872.99/x - Step 3: Cross multiply
3,849,495.28x = 5,312,550.10 × 2,217,872.99 - Step 4: Simplify right side
3,849,495.28x = 11,782,561,374,811.80 - Step 5: Solve for x
x = 11,782,561,374,811.80/3,849,495.28 - Step 6: Final answer
x = 3,060,806.81
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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.