Finding the Fourth Proportional to 5,207,134.22, 7,811,214.66 and 1,794,971.60
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Solution
The fourth proportional to 5,207,134.22, 7,811,214.66 and 1,794,971.60 is: 2,692,634.35
Step by Step Solution
- Step 1: Write the proportion equation
5,207,134.22 : 7,811,214.66 = 1,794,971.60 : x - Step 2: Convert to fraction form
5,207,134.22/7,811,214.66 = 1,794,971.60/x - Step 3: Cross multiply
5,207,134.22x = 7,811,214.66 × 1,794,971.60 - Step 4: Simplify right side
5,207,134.22x = 14,020,908,437,147.58 - Step 5: Solve for x
x = 14,020,908,437,147.58/5,207,134.22 - Step 6: Final answer
x = 2,692,634.35
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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.