Finding the Fourth Proportional to 7,984,602.57, 11,976,999.86 and 2,226,985.75
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Solution
The fourth proportional to 7,984,602.57, 11,976,999.86 and 2,226,985.75 is: 3,340,505.40
Step by Step Solution
- Step 1: Write the proportion equation
7,984,602.57 : 11,976,999.86 = 2,226,985.75 : x - Step 2: Convert to fraction form
7,984,602.57/11,976,999.86 = 2,226,985.75/x - Step 3: Cross multiply
7,984,602.57x = 11,976,999.86 × 2,226,985.75 - Step 4: Simplify right side
7,984,602.57x = 26,672,608,015,971.99 - Step 5: Solve for x
x = 26,672,608,015,971.99/7,984,602.57 - Step 6: Final answer
x = 3,340,505.40
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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.