Finding the Fourth Proportional to 5,706,485.93, 7,874,109.59 and 3,470,122.61
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Solution
The fourth proportional to 5,706,485.93, 7,874,109.59 and 3,470,122.61 is: 4,788,257.79
Step by Step Solution
- Step 1: Write the proportion equation
5,706,485.93 : 7,874,109.59 = 3,470,122.61 : x - Step 2: Convert to fraction form
5,706,485.93/7,874,109.59 = 3,470,122.61/x - Step 3: Cross multiply
5,706,485.93x = 7,874,109.59 × 3,470,122.61 - Step 4: Simplify right side
5,706,485.93x = 27,324,125,721,876.83 - Step 5: Solve for x
x = 27,324,125,721,876.83/5,706,485.93 - Step 6: Final answer
x = 4,788,257.79
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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.