Finding the Fourth Proportional to 1,560,652.81, 2,340,979.23 and 438,721.81
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Solution
The fourth proportional to 1,560,652.81, 2,340,979.23 and 438,721.81 is: 658,082.72
Step by Step Solution
- Step 1: Write the proportion equation
1,560,652.81 : 2,340,979.23 = 438,721.81 : x - Step 2: Convert to fraction form
1,560,652.81/2,340,979.23 = 438,721.81/x - Step 3: Cross multiply
1,560,652.81x = 2,340,979.23 × 438,721.81 - Step 4: Simplify right side
1,560,652.81x = 1,027,038,644,958.01 - Step 5: Solve for x
x = 1,027,038,644,958.01/1,560,652.81 - Step 6: Final answer
x = 658,082.72
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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.