Finding the Fourth Proportional to 2,560,099.84, 3,838,864.06 and 853,639.03
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Solution
The fourth proportional to 2,560,099.84, 3,838,864.06 and 853,639.03 is: 1,280,029.84
Step by Step Solution
- Step 1: Write the proportion equation
2,560,099.84 : 3,838,864.06 = 853,639.03 : x - Step 2: Convert to fraction form
2,560,099.84/3,838,864.06 = 853,639.03/x - Step 3: Cross multiply
2,560,099.84x = 3,838,864.06 × 853,639.03 - Step 4: Simplify right side
2,560,099.84x = 3,277,004,192,480.26 - Step 5: Solve for x
x = 3,277,004,192,480.26/2,560,099.84 - Step 6: Final answer
x = 1,280,029.84
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1.5x scale
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.