Finding the Fourth Proportional to 1,728,219.19, 2,384,560.74 and 1,002,646.66
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Solution
The fourth proportional to 1,728,219.19, 2,384,560.74 and 1,002,646.66 is: 1,383,430.92
Step by Step Solution
- Step 1: Write the proportion equation
1,728,219.19 : 2,384,560.74 = 1,002,646.66 : x - Step 2: Convert to fraction form
1,728,219.19/2,384,560.74 = 1,002,646.66/x - Step 3: Cross multiply
1,728,219.19x = 2,384,560.74 × 1,002,646.66 - Step 4: Simplify right side
1,728,219.19x = 2,390,871,861,528.13 - Step 5: Solve for x
x = 2,390,871,861,528.13/1,728,219.19 - Step 6: Final answer
x = 1,383,430.92
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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.