Finding the Fourth Proportional to 4,127,712.80, 6,191,277.60 and 1,431,384.80
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Solution
The fourth proportional to 4,127,712.80, 6,191,277.60 and 1,431,384.80 is: 2,146,976.08
Step by Step Solution
- Step 1: Write the proportion equation
4,127,712.80 : 6,191,277.60 = 1,431,384.80 : x - Step 2: Convert to fraction form
4,127,712.80/6,191,277.60 = 1,431,384.80/x - Step 3: Cross multiply
4,127,712.80x = 6,191,277.60 × 1,431,384.80 - Step 4: Simplify right side
4,127,712.80x = 8,862,100,649,220.48 - Step 5: Solve for x
x = 8,862,100,649,220.48/4,127,712.80 - Step 6: Final answer
x = 2,146,976.08
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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.