Finding the Fourth Proportional to 1,685,549.39, 2,528,257.05 and 928,891.13
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Solution
The fourth proportional to 1,685,549.39, 2,528,257.05 and 928,891.13 is: 1,393,299.75
Step by Step Solution
- Step 1: Write the proportion equation
1,685,549.39 : 2,528,257.05 = 928,891.13 : x - Step 2: Convert to fraction form
1,685,549.39/2,528,257.05 = 928,891.13/x - Step 3: Cross multiply
1,685,549.39x = 2,528,257.05 × 928,891.13 - Step 4: Simplify right side
1,685,549.39x = 2,348,475,535,463.68 - Step 5: Solve for x
x = 2,348,475,535,463.68/1,685,549.39 - Step 6: Final answer
x = 1,393,299.75
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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.