Finding the Fourth Proportional to 1,591,416.52, 2,387,503.74 and 469,486.60
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Solution
The fourth proportional to 1,591,416.52, 2,387,503.74 and 469,486.60 is: 704,341.70
Step by Step Solution
- Step 1: Write the proportion equation
1,591,416.52 : 2,387,503.74 = 469,486.60 : x - Step 2: Convert to fraction form
1,591,416.52/2,387,503.74 = 469,486.60/x - Step 3: Cross multiply
1,591,416.52x = 2,387,503.74 × 469,486.60 - Step 4: Simplify right side
1,591,416.52x = 1,120,901,013,379.88 - Step 5: Solve for x
x = 1,120,901,013,379.88/1,591,416.52 - Step 6: Final answer
x = 704,341.70
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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.