Finding the Fourth Proportional to 5,220,858.49, 7,206,109.11 and 3,567,675.12
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Solution
The fourth proportional to 5,220,858.49, 7,206,109.11 and 3,567,675.12 is: 4,924,296.69
Step by Step Solution
- Step 1: Write the proportion equation
5,220,858.49 : 7,206,109.11 = 3,567,675.12 : x - Step 2: Convert to fraction form
5,220,858.49/7,206,109.11 = 3,567,675.12/x - Step 3: Cross multiply
5,220,858.49x = 7,206,109.11 × 3,567,675.12 - Step 4: Simplify right side
5,220,858.49x = 25,709,056,197,263.80 - Step 5: Solve for x
x = 25,709,056,197,263.80/5,220,858.49 - Step 6: Final answer
x = 4,924,296.69
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1.5x scale
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.