Finding the Fourth Proportional to 5,558,731.20, 8,325,655.20 and 4,563,403.20
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Solution
The fourth proportional to 5,558,731.20, 8,325,655.20 and 4,563,403.20 is: 6,834,890.95
Step by Step Solution
- Step 1: Write the proportion equation
5,558,731.20 : 8,325,655.20 = 4,563,403.20 : x - Step 2: Convert to fraction form
5,558,731.20/8,325,655.20 = 4,563,403.20/x - Step 3: Cross multiply
5,558,731.20x = 8,325,655.20 × 4,563,403.20 - Step 4: Simplify right side
5,558,731.20x = 37,993,321,581,776.64 - Step 5: Solve for x
x = 37,993,321,581,776.64/5,558,731.20 - Step 6: Final answer
x = 6,834,890.95
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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.