Finding the Fourth Proportional to 1,539,476.80, 2,308,805.60 and 474,516.80
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Solution
The fourth proportional to 1,539,476.80, 2,308,805.60 and 474,516.80 is: 711,648.95
Step by Step Solution
- Step 1: Write the proportion equation
1,539,476.80 : 2,308,805.60 = 474,516.80 : x - Step 2: Convert to fraction form
1,539,476.80/2,308,805.60 = 474,516.80/x - Step 3: Cross multiply
1,539,476.80x = 2,308,805.60 × 474,516.80 - Step 4: Simplify right side
1,539,476.80x = 1,095,567,045,134.08 - Step 5: Solve for x
x = 1,095,567,045,134.08/1,539,476.80 - Step 6: Final answer
x = 711,648.95
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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.