Finding the Fourth Proportional to 6,228,715.10, 9,343,072.65 and 1,970,188.70
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Solution
The fourth proportional to 6,228,715.10, 9,343,072.65 and 1,970,188.70 is: 2,955,283.05
Step by Step Solution
- Step 1: Write the proportion equation
6,228,715.10 : 9,343,072.65 = 1,970,188.70 : x - Step 2: Convert to fraction form
6,228,715.10/9,343,072.65 = 1,970,188.70/x - Step 3: Cross multiply
6,228,715.10x = 9,343,072.65 × 1,970,188.70 - Step 4: Simplify right side
6,228,715.10x = 18,407,616,158,309.05 - Step 5: Solve for x
x = 18,407,616,158,309.05/6,228,715.10 - Step 6: Final answer
x = 2,955,283.05
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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.