Finding the Fourth Proportional to 1,728,487.42, 2,385,313.07 and 954,118.70
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Solution
The fourth proportional to 1,728,487.42, 2,385,313.07 and 954,118.70 is: 1,316,684.04
Step by Step Solution
- Step 1: Write the proportion equation
1,728,487.42 : 2,385,313.07 = 954,118.70 : x - Step 2: Convert to fraction form
1,728,487.42/2,385,313.07 = 954,118.70/x - Step 3: Cross multiply
1,728,487.42x = 2,385,313.07 × 954,118.70 - Step 4: Simplify right side
1,728,487.42x = 2,275,871,800,670.82 - Step 5: Solve for x
x = 2,275,871,800,670.82/1,728,487.42 - Step 6: Final answer
x = 1,316,684.04
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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.