Finding the Fourth Proportional to 4,186,645.60, 6,279,968.40 and 3,937,813.60
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Solution
The fourth proportional to 4,186,645.60, 6,279,968.40 and 3,937,813.60 is: 5,906,720.40
Step by Step Solution
- Step 1: Write the proportion equation
4,186,645.60 : 6,279,968.40 = 3,937,813.60 : x - Step 2: Convert to fraction form
4,186,645.60/6,279,968.40 = 3,937,813.60/x - Step 3: Cross multiply
4,186,645.60x = 6,279,968.40 × 3,937,813.60 - Step 4: Simplify right side
4,186,645.60x = 24,729,344,973,090.24 - Step 5: Solve for x
x = 24,729,344,973,090.24/4,186,645.60 - Step 6: Final answer
x = 5,906,720.40
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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.