Finding the Fourth Proportional to 5,418,319.80, 8,127,463.50 and 1,374,799.80
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Solution
The fourth proportional to 5,418,319.80, 8,127,463.50 and 1,374,799.80 is: 2,062,195.59
Step by Step Solution
- Step 1: Write the proportion equation
5,418,319.80 : 8,127,463.50 = 1,374,799.80 : x - Step 2: Convert to fraction form
5,418,319.80/8,127,463.50 = 1,374,799.80/x - Step 3: Cross multiply
5,418,319.80x = 8,127,463.50 × 1,374,799.80 - Step 4: Simplify right side
5,418,319.80x = 11,173,635,194,307.30 - Step 5: Solve for x
x = 11,173,635,194,307.30/5,418,319.80 - Step 6: Final answer
x = 2,062,195.59
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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.