Finding the Fourth Proportional to 2,125,096.58, 2,932,701.62 and 1,207,308.98
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Solution
The fourth proportional to 2,125,096.58, 2,932,701.62 and 1,207,308.98 is: 1,666,125.22
Step by Step Solution
- Step 1: Write the proportion equation
2,125,096.58 : 2,932,701.62 = 1,207,308.98 : x - Step 2: Convert to fraction form
2,125,096.58/2,932,701.62 = 1,207,308.98/x - Step 3: Cross multiply
2,125,096.58x = 2,932,701.62 × 1,207,308.98 - Step 4: Simplify right side
2,125,096.58x = 3,540,677,002,781.76 - Step 5: Solve for x
x = 3,540,677,002,781.76/2,125,096.58 - Step 6: Final answer
x = 1,666,125.22
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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.