Finding the Fourth Proportional to 2,153,462.96, 2,971,911.26 and 1,186,593.00
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Solution
The fourth proportional to 2,153,462.96, 2,971,911.26 and 1,186,593.00 is: 1,637,571.28
Step by Step Solution
- Step 1: Write the proportion equation
2,153,462.96 : 2,971,911.26 = 1,186,593.00 : x - Step 2: Convert to fraction form
2,153,462.96/2,971,911.26 = 1,186,593.00/x - Step 3: Cross multiply
2,153,462.96x = 2,971,911.26 × 1,186,593.00 - Step 4: Simplify right side
2,153,462.96x = 3,526,449,089,559.00 - Step 5: Solve for x
x = 3,526,449,089,559.00/2,153,462.96 - Step 6: Final answer
x = 1,637,571.28
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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.