Finding the Fourth Proportional to 5,418,564.06, 7,477,702.47 and 2,971,398.54
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Solution
The fourth proportional to 5,418,564.06, 7,477,702.47 and 2,971,398.54 is: 4,100,576.09
Step by Step Solution
- Step 1: Write the proportion equation
5,418,564.06 : 7,477,702.47 = 2,971,398.54 : x - Step 2: Convert to fraction form
5,418,564.06/7,477,702.47 = 2,971,398.54/x - Step 3: Cross multiply
5,418,564.06x = 7,477,702.47 × 2,971,398.54 - Step 4: Simplify right side
5,418,564.06x = 22,219,234,201,912.39 - Step 5: Solve for x
x = 22,219,234,201,912.39/5,418,564.06 - Step 6: Final answer
x = 4,100,576.09
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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.