Finding the Fourth Proportional to 1,966,659.75, 2,950,153.65 and 546,728.13
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Solution
The fourth proportional to 1,966,659.75, 2,950,153.65 and 546,728.13 is: 820,137.79
Step by Step Solution
- Step 1: Write the proportion equation
1,966,659.75 : 2,950,153.65 = 546,728.13 : x - Step 2: Convert to fraction form
1,966,659.75/2,950,153.65 = 546,728.13/x - Step 3: Cross multiply
1,966,659.75x = 2,950,153.65 × 546,728.13 - Step 4: Simplify right side
1,966,659.75x = 1,612,931,988,277.17 - Step 5: Solve for x
x = 1,612,931,988,277.17/1,966,659.75 - Step 6: Final answer
x = 820,137.79
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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.