Finding the Fourth Proportional to 1,553,623.92, 2,330,997.12 and 542,895.12
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Solution
The fourth proportional to 1,553,623.92, 2,330,997.12 and 542,895.12 is: 814,538.80
Step by Step Solution
- Step 1: Write the proportion equation
1,553,623.92 : 2,330,997.12 = 542,895.12 : x - Step 2: Convert to fraction form
1,553,623.92/2,330,997.12 = 542,895.12/x - Step 3: Cross multiply
1,553,623.92x = 2,330,997.12 × 542,895.12 - Step 4: Simplify right side
1,553,623.92x = 1,265,486,961,182.05 - Step 5: Solve for x
x = 1,265,486,961,182.05/1,553,623.92 - Step 6: Final answer
x = 814,538.80
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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.