Finding the Fourth Proportional to 3,020,148.99, 4,167,806.20 and 1,662,021.99
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Solution
The fourth proportional to 3,020,148.99, 4,167,806.20 and 1,662,021.99 is: 2,293,590.67
Step by Step Solution
- Step 1: Write the proportion equation
3,020,148.99 : 4,167,806.20 = 1,662,021.99 : x - Step 2: Convert to fraction form
3,020,148.99/4,167,806.20 = 1,662,021.99/x - Step 3: Cross multiply
3,020,148.99x = 4,167,806.20 × 1,662,021.99 - Step 4: Simplify right side
3,020,148.99x = 6,926,985,550,303.28 - Step 5: Solve for x
x = 6,926,985,550,303.28/3,020,148.99 - Step 6: Final answer
x = 2,293,590.67
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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.