Finding the Fourth Proportional to 2,642,787.34, 3,646,949.07 and 1,435,537.42
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Solution
The fourth proportional to 2,642,787.34, 3,646,949.07 and 1,435,537.42 is: 1,980,988.70
Step by Step Solution
- Step 1: Write the proportion equation
2,642,787.34 : 3,646,949.07 = 1,435,537.42 : x - Step 2: Convert to fraction form
2,642,787.34/3,646,949.07 = 1,435,537.42/x - Step 3: Cross multiply
2,642,787.34x = 3,646,949.07 × 1,435,537.42 - Step 4: Simplify right side
2,642,787.34x = 5,235,331,858,819.20 - Step 5: Solve for x
x = 5,235,331,858,819.20/2,642,787.34 - Step 6: Final answer
x = 1,980,988.70
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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.