Finding the Fourth Proportional to 4,374,308.40, 6,561,462.60 and 2,946,634.80
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Solution
The fourth proportional to 4,374,308.40, 6,561,462.60 and 2,946,634.80 is: 4,419,952.20
Step by Step Solution
- Step 1: Write the proportion equation
4,374,308.40 : 6,561,462.60 = 2,946,634.80 : x - Step 2: Convert to fraction form
4,374,308.40/6,561,462.60 = 2,946,634.80/x - Step 3: Cross multiply
4,374,308.40x = 6,561,462.60 × 2,946,634.80 - Step 4: Simplify right side
4,374,308.40x = 19,334,234,036,058.48 - Step 5: Solve for x
x = 19,334,234,036,058.48/4,374,308.40 - Step 6: Final answer
x = 4,419,952.20
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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.