Finding the Fourth Proportional to 3,230,641.60, 4,843,629.60 and 1,811,132.80
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Solution
The fourth proportional to 3,230,641.60, 4,843,629.60 and 1,811,132.80 is: 2,715,391.41
Step by Step Solution
- Step 1: Write the proportion equation
3,230,641.60 : 4,843,629.60 = 1,811,132.80 : x - Step 2: Convert to fraction form
3,230,641.60/4,843,629.60 = 1,811,132.80/x - Step 3: Cross multiply
3,230,641.60x = 4,843,629.60 × 1,811,132.80 - Step 4: Simplify right side
3,230,641.60x = 8,772,456,439,610.88 - Step 5: Solve for x
x = 8,772,456,439,610.88/3,230,641.60 - Step 6: Final answer
x = 2,715,391.41
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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.