Finding the Fourth Proportional to 3,493,316, 5,239,974 and 968,971.26
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Solution
The fourth proportional to 3,493,316, 5,239,974 and 968,971.26 is: 1,453,456.89
Step by Step Solution
- Step 1: Write the proportion equation
3,493,316 : 5,239,974 = 968,971.26 : x - Step 2: Convert to fraction form
3,493,316/5,239,974 = 968,971.26/x - Step 3: Cross multiply
3,493,316x = 5,239,974 × 968,971.26 - Step 4: Simplify right side
3,493,316x = 5,077,384,209,147.24 - Step 5: Solve for x
x = 5,077,384,209,147.24/3,493,316 - Step 6: Final answer
x = 1,453,456.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.