Finding the Fourth Proportional to 1,292,136.45, 1,924,944.74 and 1,233,844.08
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Solution
The fourth proportional to 1,292,136.45, 1,924,944.74 and 1,233,844.08 is: 1,838,104.38
Step by Step Solution
- Step 1: Write the proportion equation
1,292,136.45 : 1,924,944.74 = 1,233,844.08 : x - Step 2: Convert to fraction form
1,292,136.45/1,924,944.74 = 1,233,844.08/x - Step 3: Cross multiply
1,292,136.45x = 1,924,944.74 × 1,233,844.08 - Step 4: Simplify right side
1,292,136.45x = 2,375,081,665,606.92 - Step 5: Solve for x
x = 2,375,081,665,606.92/1,292,136.45 - Step 6: Final answer
x = 1,838,104.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.