Finding the Fourth Proportional to 5,530,115.80, 8,293,379.76 and 2,118,220.84
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Solution
The fourth proportional to 5,530,115.80, 8,293,379.76 and 2,118,220.84 is: 3,176,644.12
Step by Step Solution
- Step 1: Write the proportion equation
5,530,115.80 : 8,293,379.76 = 2,118,220.84 : x - Step 2: Convert to fraction form
5,530,115.80/8,293,379.76 = 2,118,220.84/x - Step 3: Cross multiply
5,530,115.80x = 8,293,379.76 × 2,118,220.84 - Step 4: Simplify right side
5,530,115.80x = 17,567,209,841,666.20 - Step 5: Solve for x
x = 17,567,209,841,666.20/5,530,115.80 - Step 6: Final answer
x = 3,176,644.12
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1.5x scale
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.