Finding the Fourth Proportional to 4,249,481.80, 6,374,222.70 and 3,409,673.80
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Solution
The fourth proportional to 4,249,481.80, 6,374,222.70 and 3,409,673.80 is: 5,114,510.70
Step by Step Solution
- Step 1: Write the proportion equation
4,249,481.80 : 6,374,222.70 = 3,409,673.80 : x - Step 2: Convert to fraction form
4,249,481.80/6,374,222.70 = 3,409,673.80/x - Step 3: Cross multiply
4,249,481.80x = 6,374,222.70 × 3,409,673.80 - Step 4: Simplify right side
4,249,481.80x = 21,734,020,135,555.26 - Step 5: Solve for x
x = 21,734,020,135,555.26/4,249,481.80 - Step 6: Final answer
x = 5,114,510.70
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1.5x scale
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.