Finding the Fourth Proportional to 1,523,137.20, 2,285,580.60 and 577,186.80
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Solution
The fourth proportional to 1,523,137.20, 2,285,580.60 and 577,186.80 is: 866,111.70
Step by Step Solution
- Step 1: Write the proportion equation
1,523,137.20 : 2,285,580.60 = 577,186.80 : x - Step 2: Convert to fraction form
1,523,137.20/2,285,580.60 = 577,186.80/x - Step 3: Cross multiply
1,523,137.20x = 2,285,580.60 × 577,186.80 - Step 4: Simplify right side
1,523,137.20x = 1,319,206,952,656.08 - Step 5: Solve for x
x = 1,319,206,952,656.08/1,523,137.20 - Step 6: Final answer
x = 866,111.70
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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.