Finding the Fourth Proportional to 1,513,992.62, 2,089,239.54 and 868,958.84
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Solution
The fourth proportional to 1,513,992.62, 2,089,239.54 and 868,958.84 is: 1,199,122.86
Step by Step Solution
- Step 1: Write the proportion equation
1,513,992.62 : 2,089,239.54 = 868,958.84 : x - Step 2: Convert to fraction form
1,513,992.62/2,089,239.54 = 868,958.84/x - Step 3: Cross multiply
1,513,992.62x = 2,089,239.54 × 868,958.84 - Step 4: Simplify right side
1,513,992.62x = 1,815,463,167,160.53 - Step 5: Solve for x
x = 1,815,463,167,160.53/1,513,992.62 - Step 6: Final answer
x = 1,199,122.86
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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.