Finding the Fourth Proportional to 5,151,551.24, 7,109,471.76 and 2,976,186.08
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Solution
The fourth proportional to 5,151,551.24, 7,109,471.76 and 2,976,186.08 is: 4,107,328.05
Step by Step Solution
- Step 1: Write the proportion equation
5,151,551.24 : 7,109,471.76 = 2,976,186.08 : x - Step 2: Convert to fraction form
5,151,551.24/7,109,471.76 = 2,976,186.08/x - Step 3: Cross multiply
5,151,551.24x = 7,109,471.76 × 2,976,186.08 - Step 4: Simplify right side
5,151,551.24x = 21,159,110,888,265.10 - Step 5: Solve for x
x = 21,159,110,888,265.10/5,151,551.24 - Step 6: Final answer
x = 4,107,328.05
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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.