Finding the Fourth Proportional to 4,114,964.68, 6,170,191.98 and 1,274,288.20
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Solution
The fourth proportional to 4,114,964.68, 6,170,191.98 and 1,274,288.20 is: 1,910,733.98
Step by Step Solution
- Step 1: Write the proportion equation
4,114,964.68 : 6,170,191.98 = 1,274,288.20 : x - Step 2: Convert to fraction form
4,114,964.68/6,170,191.98 = 1,274,288.20/x - Step 3: Cross multiply
4,114,964.68x = 6,170,191.98 × 1,274,288.20 - Step 4: Simplify right side
4,114,964.68x = 7,862,602,831,848.64 - Step 5: Solve for x
x = 7,862,602,831,848.64/4,114,964.68 - Step 6: Final answer
x = 1,910,733.98
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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.