Finding the Fourth Proportional to 4,078,821.84, 6,112,721.34 and 1,553,099.28
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Solution
The fourth proportional to 4,078,821.84, 6,112,721.34 and 1,553,099.28 is: 2,327,550.32
Step by Step Solution
- Step 1: Write the proportion equation
4,078,821.84 : 6,112,721.34 = 1,553,099.28 : x - Step 2: Convert to fraction form
4,078,821.84/6,112,721.34 = 1,553,099.28/x - Step 3: Cross multiply
4,078,821.84x = 6,112,721.34 × 1,553,099.28 - Step 4: Simplify right side
4,078,821.84x = 9,493,663,081,431.03 - Step 5: Solve for x
x = 9,493,663,081,431.03/4,078,821.84 - Step 6: Final answer
x = 2,327,550.32
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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.