Finding the Fourth Proportional to 5,491,795.20, 8,236,811.52 and 1,501,774.08
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Solution
The fourth proportional to 5,491,795.20, 8,236,811.52 and 1,501,774.08 is: 2,252,420.13
Step by Step Solution
- Step 1: Write the proportion equation
5,491,795.20 : 8,236,811.52 = 1,501,774.08 : x - Step 2: Convert to fraction form
5,491,795.20/8,236,811.52 = 1,501,774.08/x - Step 3: Cross multiply
5,491,795.20x = 8,236,811.52 × 1,501,774.08 - Step 4: Simplify right side
5,491,795.20x = 12,369,830,042,581.40 - Step 5: Solve for x
x = 12,369,830,042,581.40/5,491,795.20 - Step 6: Final answer
x = 2,252,420.13
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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.