Finding the Fourth Proportional to 5,926,119.54, 8,178,042.12 and 3,478,730.64
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Solution
The fourth proportional to 5,926,119.54, 8,178,042.12 and 3,478,730.64 is: 4,800,646.61
Step by Step Solution
- Step 1: Write the proportion equation
5,926,119.54 : 8,178,042.12 = 3,478,730.64 : x - Step 2: Convert to fraction form
5,926,119.54/8,178,042.12 = 3,478,730.64/x - Step 3: Cross multiply
5,926,119.54x = 8,178,042.12 × 3,478,730.64 - Step 4: Simplify right side
5,926,119.54x = 28,449,205,698,054.56 - Step 5: Solve for x
x = 28,449,205,698,054.56/5,926,119.54 - Step 6: Final answer
x = 4,800,646.61
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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.