Finding the Fourth Proportional to 3,710,257.84, 5,120,696.84 and 2,078,775.69
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Solution
The fourth proportional to 3,710,257.84, 5,120,696.84 and 2,078,775.69 is: 2,869,013.57
Step by Step Solution
- Step 1: Write the proportion equation
3,710,257.84 : 5,120,696.84 = 2,078,775.69 : x - Step 2: Convert to fraction form
3,710,257.84/5,120,696.84 = 2,078,775.69/x - Step 3: Cross multiply
3,710,257.84x = 5,120,696.84 × 2,078,775.69 - Step 4: Simplify right side
3,710,257.84x = 10,644,780,106,851.82 - Step 5: Solve for x
x = 10,644,780,106,851.82/3,710,257.84 - Step 6: Final answer
x = 2,869,013.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.