Finding the Fourth Proportional to 2,513,913.66, 3,469,279.08 and 1,426,231.08
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Solution
The fourth proportional to 2,513,913.66, 3,469,279.08 and 1,426,231.08 is: 1,968,243.27
Step by Step Solution
- Step 1: Write the proportion equation
2,513,913.66 : 3,469,279.08 = 1,426,231.08 : x - Step 2: Convert to fraction form
2,513,913.66/3,469,279.08 = 1,426,231.08/x - Step 3: Cross multiply
2,513,913.66x = 3,469,279.08 × 1,426,231.08 - Step 4: Simplify right side
2,513,913.66x = 4,947,993,649,089.81 - Step 5: Solve for x
x = 4,947,993,649,089.81/2,513,913.66 - Step 6: Final answer
x = 1,968,243.27
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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.