Finding the Fourth Proportional to 1,543,460.22, 2,315,277.73 and 478,653.66
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Solution
The fourth proportional to 1,543,460.22, 2,315,277.73 and 478,653.66 is: 718,007.59
Step by Step Solution
- Step 1: Write the proportion equation
1,543,460.22 : 2,315,277.73 = 478,653.66 : x - Step 2: Convert to fraction form
1,543,460.22/2,315,277.73 = 478,653.66/x - Step 3: Cross multiply
1,543,460.22x = 2,315,277.73 × 478,653.66 - Step 4: Simplify right side
1,543,460.22x = 1,108,216,159,380.99 - Step 5: Solve for x
x = 1,108,216,159,380.99/1,543,460.22 - Step 6: Final answer
x = 718,007.59
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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.