Finding the Fourth Proportional to 2,860,362.68, 3,946,336.86 and 1,619,803.12
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Solution
The fourth proportional to 2,860,362.68, 3,946,336.86 and 1,619,803.12 is: 2,234,782.60
Step by Step Solution
- Step 1: Write the proportion equation
2,860,362.68 : 3,946,336.86 = 1,619,803.12 : x - Step 2: Convert to fraction form
2,860,362.68/3,946,336.86 = 1,619,803.12/x - Step 3: Cross multiply
2,860,362.68x = 3,946,336.86 × 1,619,803.12 - Step 4: Simplify right side
2,860,362.68x = 6,392,288,758,399.00 - Step 5: Solve for x
x = 6,392,288,758,399.00/2,860,362.68 - Step 6: Final answer
x = 2,234,782.60
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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.