Finding the Fourth Proportional to 1,539,184.52, 2,124,063.60 and 860,121.02
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Solution
The fourth proportional to 1,539,184.52, 2,124,063.60 and 860,121.02 is: 1,186,960.84
Step by Step Solution
- Step 1: Write the proportion equation
1,539,184.52 : 2,124,063.60 = 860,121.02 : x - Step 2: Convert to fraction form
1,539,184.52/2,124,063.60 = 860,121.02/x - Step 3: Cross multiply
1,539,184.52x = 2,124,063.60 × 860,121.02 - Step 4: Simplify right side
1,539,184.52x = 1,826,951,750,176.87 - Step 5: Solve for x
x = 1,826,951,750,176.87/1,539,184.52 - Step 6: Final answer
x = 1,186,960.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.