Finding the Fourth Proportional to 6,743,903.81, 9,306,808.70 and 3,688,118.06
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Solution
The fourth proportional to 6,743,903.81, 9,306,808.70 and 3,688,118.06 is: 5,089,724.02
Step by Step Solution
- Step 1: Write the proportion equation
6,743,903.81 : 9,306,808.70 = 3,688,118.06 : x - Step 2: Convert to fraction form
6,743,903.81/9,306,808.70 = 3,688,118.06/x - Step 3: Cross multiply
6,743,903.81x = 9,306,808.70 × 3,688,118.06 - Step 4: Simplify right side
6,743,903.81x = 34,324,609,252,261.55 - Step 5: Solve for x
x = 34,324,609,252,261.55/6,743,903.81 - Step 6: Final answer
x = 5,089,724.02
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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.