Finding the Fourth Proportional to 1,588,243.20, 2,381,311.64 and 577,245.12
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Solution
The fourth proportional to 1,588,243.20, 2,381,311.64 and 577,245.12 is: 865,484.91
Step by Step Solution
- Step 1: Write the proportion equation
1,588,243.20 : 2,381,311.64 = 577,245.12 : x - Step 2: Convert to fraction form
1,588,243.20/2,381,311.64 = 577,245.12/x - Step 3: Cross multiply
1,588,243.20x = 2,381,311.64 × 577,245.12 - Step 4: Simplify right side
1,588,243.20x = 1,374,600,523,389.20 - Step 5: Solve for x
x = 1,374,600,523,389.20/1,588,243.20 - Step 6: Final answer
x = 865,484.91
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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.