Finding the Fourth Proportional to 3,645,273.09, 5,461,918.46 and 1,247,809.88
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Solution
The fourth proportional to 3,645,273.09, 5,461,918.46 and 1,247,809.88 is: 1,869,663.98
Step by Step Solution
- Step 1: Write the proportion equation
3,645,273.09 : 5,461,918.46 = 1,247,809.88 : x - Step 2: Convert to fraction form
3,645,273.09/5,461,918.46 = 1,247,809.88/x - Step 3: Cross multiply
3,645,273.09x = 5,461,918.46 × 1,247,809.88 - Step 4: Simplify right side
3,645,273.09x = 6,815,435,799,514.13 - Step 5: Solve for x
x = 6,815,435,799,514.13/3,645,273.09 - Step 6: Final answer
x = 1,869,663.98
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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.