Finding the Fourth Proportional to 1,485,132.26, 2,227,341.56 and 685,645.70
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Solution
The fourth proportional to 1,485,132.26, 2,227,341.56 and 685,645.70 is: 1,028,303.81
Step by Step Solution
- Step 1: Write the proportion equation
1,485,132.26 : 2,227,341.56 = 685,645.70 : x - Step 2: Convert to fraction form
1,485,132.26/2,227,341.56 = 685,645.70/x - Step 3: Cross multiply
1,485,132.26x = 2,227,341.56 × 685,645.70 - Step 4: Simplify right side
1,485,132.26x = 1,527,167,163,045.29 - Step 5: Solve for x
x = 1,527,167,163,045.29/1,485,132.26 - Step 6: Final answer
x = 1,028,303.81
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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.