Finding the Fourth Proportional to 5,564,144.84, 7,695,424.52 and 4,990,975.88
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Solution
The fourth proportional to 5,564,144.84, 7,695,424.52 and 4,990,975.88 is: 6,902,709.99
Step by Step Solution
- Step 1: Write the proportion equation
5,564,144.84 : 7,695,424.52 = 4,990,975.88 : x - Step 2: Convert to fraction form
5,564,144.84/7,695,424.52 = 4,990,975.88/x - Step 3: Cross multiply
5,564,144.84x = 7,695,424.52 × 4,990,975.88 - Step 4: Simplify right side
5,564,144.84x = 38,407,678,165,680.58 - Step 5: Solve for x
x = 38,407,678,165,680.58/5,564,144.84 - Step 6: Final answer
x = 6,902,709.99
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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.