Finding the Fourth Proportional to 1,526,905.96, 2,290,357.42 and 389,668.19
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Solution
The fourth proportional to 1,526,905.96, 2,290,357.42 and 389,668.19 is: 584,501.89
Step by Step Solution
- Step 1: Write the proportion equation
1,526,905.96 : 2,290,357.42 = 389,668.19 : x - Step 2: Convert to fraction form
1,526,905.96/2,290,357.42 = 389,668.19/x - Step 3: Cross multiply
1,526,905.96x = 2,290,357.42 × 389,668.19 - Step 4: Simplify right side
1,526,905.96x = 892,479,417,878.51 - Step 5: Solve for x
x = 892,479,417,878.51/1,526,905.96 - Step 6: Final answer
x = 584,501.89
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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.