Finding the Fourth Proportional to 2,531,564.08, 3,494,056.42 and 1,918,647.76
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Solution
The fourth proportional to 2,531,564.08, 3,494,056.42 and 1,918,647.76 is: 2,648,111.33
Step by Step Solution
- Step 1: Write the proportion equation
2,531,564.08 : 3,494,056.42 = 1,918,647.76 : x - Step 2: Convert to fraction form
2,531,564.08/3,494,056.42 = 1,918,647.76/x - Step 3: Cross multiply
2,531,564.08x = 3,494,056.42 × 1,918,647.76 - Step 4: Simplify right side
2,531,564.08x = 6,703,863,523,546.62 - Step 5: Solve for x
x = 6,703,863,523,546.62/2,531,564.08 - Step 6: Final answer
x = 2,648,111.33
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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.