Finding the Fourth Proportional to 2,295,643.12, 3,168,260.44 and 1,315,932.80
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Solution
The fourth proportional to 2,295,643.12, 3,168,260.44 and 1,315,932.80 is: 1,816,143.72
Step by Step Solution
- Step 1: Write the proportion equation
2,295,643.12 : 3,168,260.44 = 1,315,932.80 : x - Step 2: Convert to fraction form
2,295,643.12/3,168,260.44 = 1,315,932.80/x - Step 3: Cross multiply
2,295,643.12x = 3,168,260.44 × 1,315,932.80 - Step 4: Simplify right side
2,295,643.12x = 4,169,217,831,938.43 - Step 5: Solve for x
x = 4,169,217,831,938.43/2,295,643.12 - Step 6: Final answer
x = 1,816,143.72
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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.