Finding the Fourth Proportional to 2,567,744.85, 3,543,462.45 and 1,390,338.17
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Solution
The fourth proportional to 2,567,744.85, 3,543,462.45 and 1,390,338.17 is: 1,918,652.89
Step by Step Solution
- Step 1: Write the proportion equation
2,567,744.85 : 3,543,462.45 = 1,390,338.17 : x - Step 2: Convert to fraction form
2,567,744.85/3,543,462.45 = 1,390,338.17/x - Step 3: Cross multiply
2,567,744.85x = 3,543,462.45 × 1,390,338.17 - Step 4: Simplify right side
2,567,744.85x = 4,926,611,093,767.39 - Step 5: Solve for x
x = 4,926,611,093,767.39/2,567,744.85 - Step 6: Final answer
x = 1,918,652.89
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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.