Finding the Fourth Proportional to 1,616,615.28, 2,425,334.76 and 479,419.02
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Solution
The fourth proportional to 1,616,615.28, 2,425,334.76 and 479,419.02 is: 719,250.66
Step by Step Solution
- Step 1: Write the proportion equation
1,616,615.28 : 2,425,334.76 = 479,419.02 : x - Step 2: Convert to fraction form
1,616,615.28/2,425,334.76 = 479,419.02/x - Step 3: Cross multiply
1,616,615.28x = 2,425,334.76 × 479,419.02 - Step 4: Simplify right side
1,616,615.28x = 1,162,751,613,811.14 - Step 5: Solve for x
x = 1,162,751,613,811.14/1,616,615.28 - Step 6: Final answer
x = 719,250.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.