Finding the Fourth Proportional to 5,445,865.05, 8,167,922.78 and 1,658,467.05
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Solution
The fourth proportional to 5,445,865.05, 8,167,922.78 and 1,658,467.05 is: 2,487,434.17
Step by Step Solution
- Step 1: Write the proportion equation
5,445,865.05 : 8,167,922.78 = 1,658,467.05 : x - Step 2: Convert to fraction form
5,445,865.05/8,167,922.78 = 1,658,467.05/x - Step 3: Cross multiply
5,445,865.05x = 8,167,922.78 × 1,658,467.05 - Step 4: Simplify right side
5,445,865.05x = 13,546,230,789,282.06 - Step 5: Solve for x
x = 13,546,230,789,282.06/5,445,865.05 - Step 6: Final answer
x = 2,487,434.17
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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.