Finding the Fourth Proportional to 3,411,631.38, 5,119,916.29 and 1,334,638.63
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Solution
The fourth proportional to 3,411,631.38, 5,119,916.29 and 1,334,638.63 is: 2,002,923.91
Step by Step Solution
- Step 1: Write the proportion equation
3,411,631.38 : 5,119,916.29 = 1,334,638.63 : x - Step 2: Convert to fraction form
3,411,631.38/5,119,916.29 = 1,334,638.63/x - Step 3: Cross multiply
3,411,631.38x = 5,119,916.29 × 1,334,638.63 - Step 4: Simplify right side
3,411,631.38x = 6,833,238,046,863.90 - Step 5: Solve for x
x = 6,833,238,046,863.90/3,411,631.38 - Step 6: Final answer
x = 2,002,923.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.