Finding the Fourth Proportional to 3,389,319.81, 4,677,243.26 and 1,840,567.95
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Solution
The fourth proportional to 3,389,319.81, 4,677,243.26 and 1,840,567.95 is: 2,539,973.95
Step by Step Solution
- Step 1: Write the proportion equation
3,389,319.81 : 4,677,243.26 = 1,840,567.95 : x - Step 2: Convert to fraction form
3,389,319.81/4,677,243.26 = 1,840,567.95/x - Step 3: Cross multiply
3,389,319.81x = 4,677,243.26 × 1,840,567.95 - Step 4: Simplify right side
3,389,319.81x = 8,608,784,029,506.68 - Step 5: Solve for x
x = 8,608,784,029,506.68/3,389,319.81 - Step 6: Final answer
x = 2,539,973.95
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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.