Finding the Fourth Proportional to 1,577,647.40, 2,366,471.10 and 976,659.80
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Solution
The fourth proportional to 1,577,647.40, 2,366,471.10 and 976,659.80 is: 1,464,989.70
Step by Step Solution
- Step 1: Write the proportion equation
1,577,647.40 : 2,366,471.10 = 976,659.80 : x - Step 2: Convert to fraction form
1,577,647.40/2,366,471.10 = 976,659.80/x - Step 3: Cross multiply
1,577,647.40x = 2,366,471.10 × 976,659.80 - Step 4: Simplify right side
1,577,647.40x = 2,311,237,191,231.78 - Step 5: Solve for x
x = 2,311,237,191,231.78/1,577,647.40 - Step 6: Final answer
x = 1,464,989.70
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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.