Finding the Fourth Proportional to 4,947,680.12, 7,424,059.53 and 2,356,918.88
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Solution
The fourth proportional to 4,947,680.12, 7,424,059.53 and 2,356,918.88 is: 3,536,587.99
Step by Step Solution
- Step 1: Write the proportion equation
4,947,680.12 : 7,424,059.53 = 2,356,918.88 : x - Step 2: Convert to fraction form
4,947,680.12/7,424,059.53 = 2,356,918.88/x - Step 3: Cross multiply
4,947,680.12x = 7,424,059.53 × 2,356,918.88 - Step 4: Simplify right side
4,947,680.12x = 17,497,906,072,500.93 - Step 5: Solve for x
x = 17,497,906,072,500.93/4,947,680.12 - Step 6: Final answer
x = 3,536,587.99
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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.