Finding the Fourth Proportional to 1,591,310.45, 2,387,326.53 and 526,350.80
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Solution
The fourth proportional to 1,591,310.45, 2,387,326.53 and 526,350.80 is: 789,645.55
Step by Step Solution
- Step 1: Write the proportion equation
1,591,310.45 : 2,387,326.53 = 526,350.80 : x - Step 2: Convert to fraction form
1,591,310.45/2,387,326.53 = 526,350.80/x - Step 3: Cross multiply
1,591,310.45x = 2,387,326.53 × 526,350.80 - Step 4: Simplify right side
1,591,310.45x = 1,256,571,216,990.09 - Step 5: Solve for x
x = 1,256,571,216,990.09/1,591,310.45 - Step 6: Final answer
x = 789,645.55
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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.