Finding the Fourth Proportional to 2,560,104.84, 3,838,871.56 and 853,644.03
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Solution
The fourth proportional to 2,560,104.84, 3,838,871.56 and 853,644.03 is: 1,280,037.34
Step by Step Solution
- Step 1: Write the proportion equation
2,560,104.84 : 3,838,871.56 = 853,644.03 : x - Step 2: Convert to fraction form
2,560,104.84/3,838,871.56 = 853,644.03/x - Step 3: Cross multiply
2,560,104.84x = 3,838,871.56 × 853,644.03 - Step 4: Simplify right side
2,560,104.84x = 3,277,029,789,130.79 - Step 5: Solve for x
x = 3,277,029,789,130.79/2,560,104.84 - Step 6: Final answer
x = 1,280,037.34
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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.