Finding the Fourth Proportional to 2,173,679.38, 2,999,560.44 and 1,206,747.39
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Solution
The fourth proportional to 2,173,679.38, 2,999,560.44 and 1,206,747.39 is: 1,665,246.39
Step by Step Solution
- Step 1: Write the proportion equation
2,173,679.38 : 2,999,560.44 = 1,206,747.39 : x - Step 2: Convert to fraction form
2,173,679.38/2,999,560.44 = 1,206,747.39/x - Step 3: Cross multiply
2,173,679.38x = 2,999,560.44 × 1,206,747.39 - Step 4: Simplify right side
2,173,679.38x = 3,619,711,732,117.25 - Step 5: Solve for x
x = 3,619,711,732,117.25/2,173,679.38 - Step 6: Final answer
x = 1,665,246.39
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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.