Finding the Fourth Proportional to 5,378,272, 8,068,984.64 and 1,734,929.12
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Solution
The fourth proportional to 5,378,272, 8,068,984.64 and 1,734,929.12 is: 2,602,902.27
Step by Step Solution
- Step 1: Write the proportion equation
5,378,272 : 8,068,984.64 = 1,734,929.12 : x - Step 2: Convert to fraction form
5,378,272/8,068,984.64 = 1,734,929.12/x - Step 3: Cross multiply
5,378,272x = 8,068,984.64 × 1,734,929.12 - Step 4: Simplify right side
5,378,272x = 13,999,116,420,768.72 - Step 5: Solve for x
x = 13,999,116,420,768.72/5,378,272 - Step 6: Final answer
x = 2,602,902.27
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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.