Finding the Fourth Proportional to 2,640,709.24, 3,644,268.28 and 1,479,205.08
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Solution
The fourth proportional to 2,640,709.24, 3,644,268.28 and 1,479,205.08 is: 2,041,353.16
Step by Step Solution
- Step 1: Write the proportion equation
2,640,709.24 : 3,644,268.28 = 1,479,205.08 : x - Step 2: Convert to fraction form
2,640,709.24/3,644,268.28 = 1,479,205.08/x - Step 3: Cross multiply
2,640,709.24x = 3,644,268.28 × 1,479,205.08 - Step 4: Simplify right side
2,640,709.24x = 5,390,620,152,658.86 - Step 5: Solve for x
x = 5,390,620,152,658.86/2,640,709.24 - Step 6: Final answer
x = 2,041,353.16
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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.