Finding the Fourth Proportional to 4,557,842.67, 6,289,124.20 and 2,623,729.53
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Solution
The fourth proportional to 4,557,842.67, 6,289,124.20 and 2,623,729.53 is: 3,620,344.55
Step by Step Solution
- Step 1: Write the proportion equation
4,557,842.67 : 6,289,124.20 = 2,623,729.53 : x - Step 2: Convert to fraction form
4,557,842.67/6,289,124.20 = 2,623,729.53/x - Step 3: Cross multiply
4,557,842.67x = 6,289,124.20 × 2,623,729.53 - Step 4: Simplify right side
4,557,842.67x = 16,500,960,881,377.62 - Step 5: Solve for x
x = 16,500,960,881,377.62/4,557,842.67 - Step 6: Final answer
x = 3,620,344.55
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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.