Finding the Fourth Proportional to 1,532,861.30, 2,115,349.22 and 888,654.98
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Solution
The fourth proportional to 1,532,861.30, 2,115,349.22 and 888,654.98 is: 1,226,344.23
Step by Step Solution
- Step 1: Write the proportion equation
1,532,861.30 : 2,115,349.22 = 888,654.98 : x - Step 2: Convert to fraction form
1,532,861.30/2,115,349.22 = 888,654.98/x - Step 3: Cross multiply
1,532,861.30x = 2,115,349.22 × 888,654.98 - Step 4: Simplify right side
1,532,861.30x = 1,879,815,613,503.74 - Step 5: Solve for x
x = 1,879,815,613,503.74/1,532,861.30 - Step 6: Final answer
x = 1,226,344.23
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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.