Finding the Fourth Proportional to 2,657,378.40, 3,986,650.80 and 860,344.80
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Solution
The fourth proportional to 2,657,378.40, 3,986,650.80 and 860,344.80 is: 1,290,706.02
Step by Step Solution
- Step 1: Write the proportion equation
2,657,378.40 : 3,986,650.80 = 860,344.80 : x - Step 2: Convert to fraction form
2,657,378.40/3,986,650.80 = 860,344.80/x - Step 3: Cross multiply
2,657,378.40x = 3,986,650.80 × 860,344.80 - Step 4: Simplify right side
2,657,378.40x = 3,429,894,285,195.84 - Step 5: Solve for x
x = 3,429,894,285,195.84/2,657,378.40 - Step 6: Final answer
x = 1,290,706.02
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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.