Finding the Fourth Proportional to 5,631,298.12, 7,770,609.80 and 3,455,932.96
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Solution
The fourth proportional to 5,631,298.12, 7,770,609.80 and 3,455,932.96 is: 4,768,830.55
Step by Step Solution
- Step 1: Write the proportion equation
5,631,298.12 : 7,770,609.80 = 3,455,932.96 : x - Step 2: Convert to fraction form
5,631,298.12/7,770,609.80 = 3,455,932.96/x - Step 3: Cross multiply
5,631,298.12x = 7,770,609.80 × 3,455,932.96 - Step 4: Simplify right side
5,631,298.12x = 26,854,706,527,119.01 - Step 5: Solve for x
x = 26,854,706,527,119.01/5,631,298.12 - Step 6: Final answer
x = 4,768,830.55
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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.