Finding the Fourth Proportional to 5,210,587.40, 7,190,526.64 and 2,918,741
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Solution
The fourth proportional to 5,210,587.40, 7,190,526.64 and 2,918,741 is: 4,027,815.54
Step by Step Solution
- Step 1: Write the proportion equation
5,210,587.40 : 7,190,526.64 = 2,918,741 : x - Step 2: Convert to fraction form
5,210,587.40/7,190,526.64 = 2,918,741/x - Step 3: Cross multiply
5,210,587.40x = 7,190,526.64 × 2,918,741 - Step 4: Simplify right side
5,210,587.40x = 20,987,284,915,760.24 - Step 5: Solve for x
x = 20,987,284,915,760.24/5,210,587.40 - Step 6: Final answer
x = 4,027,815.54
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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.