Finding the Fourth Proportional to 1,473,206, 2,209,802.70 and 408,245
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Solution
The fourth proportional to 1,473,206, 2,209,802.70 and 408,245 is: 612,365.75
Step by Step Solution
- Step 1: Write the proportion equation
1,473,206 : 2,209,802.70 = 408,245 : x - Step 2: Convert to fraction form
1,473,206/2,209,802.70 = 408,245/x - Step 3: Cross multiply
1,473,206x = 2,209,802.70 × 408,245 - Step 4: Simplify right side
1,473,206x = 902,140,903,261.50 - Step 5: Solve for x
x = 902,140,903,261.50/1,473,206 - Step 6: Final answer
x = 612,365.75
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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.