Finding the Fourth Proportional to 1,527,085.62, 2,287,140.12 and 728,929.08
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Solution
The fourth proportional to 1,527,085.62, 2,287,140.12 and 728,929.08 is: 1,091,728.53
Step by Step Solution
- Step 1: Write the proportion equation
1,527,085.62 : 2,287,140.12 = 728,929.08 : x - Step 2: Convert to fraction form
1,527,085.62/2,287,140.12 = 728,929.08/x - Step 3: Cross multiply
1,527,085.62x = 2,287,140.12 × 728,929.08 - Step 4: Simplify right side
1,527,085.62x = 1,667,162,943,502.69 - Step 5: Solve for x
x = 1,667,162,943,502.69/1,527,085.62 - Step 6: Final answer
x = 1,091,728.53
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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.