Finding the Fourth Proportional to 1,464,247.76, 2,021,395.56 and 920,682.48
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Solution
The fourth proportional to 1,464,247.76, 2,021,395.56 and 920,682.48 is: 1,271,003.12
Step by Step Solution
- Step 1: Write the proportion equation
1,464,247.76 : 2,021,395.56 = 920,682.48 : x - Step 2: Convert to fraction form
1,464,247.76/2,021,395.56 = 920,682.48/x - Step 3: Cross multiply
1,464,247.76x = 2,021,395.56 × 920,682.48 - Step 4: Simplify right side
1,464,247.76x = 1,861,063,477,241.79 - Step 5: Solve for x
x = 1,861,063,477,241.79/1,464,247.76 - Step 6: Final answer
x = 1,271,003.12
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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.