Finding the Fourth Proportional to 3,546,430.70, 5,319,646.05 and 987,640.70
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Solution
The fourth proportional to 3,546,430.70, 5,319,646.05 and 987,640.70 is: 1,481,461.05
Step by Step Solution
- Step 1: Write the proportion equation
3,546,430.70 : 5,319,646.05 = 987,640.70 : x - Step 2: Convert to fraction form
3,546,430.70/5,319,646.05 = 987,640.70/x - Step 3: Cross multiply
3,546,430.70x = 5,319,646.05 × 987,640.70 - Step 4: Simplify right side
3,546,430.70x = 5,253,898,948,574.23 - Step 5: Solve for x
x = 5,253,898,948,574.23/3,546,430.70 - Step 6: Final answer
x = 1,481,461.05
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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.