Finding the Fourth Proportional to 5,445,937.22, 7,515,331.34 and 2,998,497.12
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Solution
The fourth proportional to 5,445,937.22, 7,515,331.34 and 2,998,497.12 is: 4,137,891.88
Step by Step Solution
- Step 1: Write the proportion equation
5,445,937.22 : 7,515,331.34 = 2,998,497.12 : x - Step 2: Convert to fraction form
5,445,937.22/7,515,331.34 = 2,998,497.12/x - Step 3: Cross multiply
5,445,937.22x = 7,515,331.34 × 2,998,497.12 - Step 4: Simplify right side
5,445,937.22x = 22,534,699,378,835.74 - Step 5: Solve for x
x = 22,534,699,378,835.74/5,445,937.22 - Step 6: Final answer
x = 4,137,891.88
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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.