Finding the Fourth Proportional to 5,387,072.08, 7,434,317.60 and 2,939,841.08
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Solution
The fourth proportional to 5,387,072.08, 7,434,317.60 and 2,939,841.08 is: 4,057,066.98
Step by Step Solution
- Step 1: Write the proportion equation
5,387,072.08 : 7,434,317.60 = 2,939,841.08 : x - Step 2: Convert to fraction form
5,387,072.08/7,434,317.60 = 2,939,841.08/x - Step 3: Cross multiply
5,387,072.08x = 7,434,317.60 × 2,939,841.08 - Step 4: Simplify right side
5,387,072.08x = 21,855,712,252,425.02 - Step 5: Solve for x
x = 21,855,712,252,425.02/5,387,072.08 - Step 6: Final answer
x = 4,057,066.98
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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.