Finding the Fourth Proportional to 5,168,151.84, 7,751,636.24 and 1,381,929.96
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Solution
The fourth proportional to 5,168,151.84, 7,751,636.24 and 1,381,929.96 is: 2,072,736.76
Step by Step Solution
- Step 1: Write the proportion equation
5,168,151.84 : 7,751,636.24 = 1,381,929.96 : x - Step 2: Convert to fraction form
5,168,151.84/7,751,636.24 = 1,381,929.96/x - Step 3: Cross multiply
5,168,151.84x = 7,751,636.24 × 1,381,929.96 - Step 4: Simplify right side
5,168,151.84x = 10,712,218,313,409.92 - Step 5: Solve for x
x = 10,712,218,313,409.92/5,168,151.84 - Step 6: Final answer
x = 2,072,736.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.