Finding the Fourth Proportional to 3,436,639.02, 4,739,392.80 and 2,335,719.42
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Solution
The fourth proportional to 3,436,639.02, 4,739,392.80 and 2,335,719.42 is: 3,221,138.95
Step by Step Solution
- Step 1: Write the proportion equation
3,436,639.02 : 4,739,392.80 = 2,335,719.42 : x - Step 2: Convert to fraction form
3,436,639.02/4,739,392.80 = 2,335,719.42/x - Step 3: Cross multiply
3,436,639.02x = 4,739,392.80 × 2,335,719.42 - Step 4: Simplify right side
3,436,639.02x = 11,069,891,801,968.18 - Step 5: Solve for x
x = 11,069,891,801,968.18/3,436,639.02 - Step 6: Final answer
x = 3,221,138.95
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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.