Finding the Fourth Proportional to 3,160,231.18, 4,740,387.05 and 1,110,809.05
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Solution
The fourth proportional to 3,160,231.18, 4,740,387.05 and 1,110,809.05 is: 1,666,227.73
Step by Step Solution
- Step 1: Write the proportion equation
3,160,231.18 : 4,740,387.05 = 1,110,809.05 : x - Step 2: Convert to fraction form
3,160,231.18/4,740,387.05 = 1,110,809.05/x - Step 3: Cross multiply
3,160,231.18x = 4,740,387.05 × 1,110,809.05 - Step 4: Simplify right side
3,160,231.18x = 5,265,664,835,642.80 - Step 5: Solve for x
x = 5,265,664,835,642.80/3,160,231.18 - Step 6: Final answer
x = 1,666,227.73
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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.