Finding the Fourth Proportional to 1,640,136.96, 2,263,386.88 and 924,744.96
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Solution
The fourth proportional to 1,640,136.96, 2,263,386.88 and 924,744.96 is: 1,276,146.85
Step by Step Solution
- Step 1: Write the proportion equation
1,640,136.96 : 2,263,386.88 = 924,744.96 : x - Step 2: Convert to fraction form
1,640,136.96/2,263,386.88 = 924,744.96/x - Step 3: Cross multiply
1,640,136.96x = 2,263,386.88 × 924,744.96 - Step 4: Simplify right side
1,640,136.96x = 2,093,055,609,810.12 - Step 5: Solve for x
x = 2,093,055,609,810.12/1,640,136.96 - Step 6: Final answer
x = 1,276,146.85
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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.