Finding the Fourth Proportional to 1,668,314.68, 2,503,098.42 and 770,186.68
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Solution
The fourth proportional to 1,668,314.68, 2,503,098.42 and 770,186.68 is: 1,155,569.20
Step by Step Solution
- Step 1: Write the proportion equation
1,668,314.68 : 2,503,098.42 = 770,186.68 : x - Step 2: Convert to fraction form
1,668,314.68/2,503,098.42 = 770,186.68/x - Step 3: Cross multiply
1,668,314.68x = 2,503,098.42 × 770,186.68 - Step 4: Simplify right side
1,668,314.68x = 1,927,853,061,813.05 - Step 5: Solve for x
x = 1,927,853,061,813.05/1,668,314.68 - Step 6: Final answer
x = 1,155,569.20
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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.