Finding the Fourth Proportional to 1,609,938.90, 2,414,908.35 and 1,586,319.30
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Solution
The fourth proportional to 1,609,938.90, 2,414,908.35 and 1,586,319.30 is: 2,379,478.95
Step by Step Solution
- Step 1: Write the proportion equation
1,609,938.90 : 2,414,908.35 = 1,586,319.30 : x - Step 2: Convert to fraction form
1,609,938.90/2,414,908.35 = 1,586,319.30/x - Step 3: Cross multiply
1,609,938.90x = 2,414,908.35 × 1,586,319.30 - Step 4: Simplify right side
1,609,938.90x = 3,830,815,723,336.16 - Step 5: Solve for x
x = 3,830,815,723,336.16/1,609,938.90 - Step 6: Final answer
x = 2,379,478.95
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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.