Finding the Fourth Proportional to 1,959,974.97, 2,705,748.81 and 1,225,337.37
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Solution
The fourth proportional to 1,959,974.97, 2,705,748.81 and 1,225,337.37 is: 1,691,580.34
Step by Step Solution
- Step 1: Write the proportion equation
1,959,974.97 : 2,705,748.81 = 1,225,337.37 : x - Step 2: Convert to fraction form
1,959,974.97/2,705,748.81 = 1,225,337.37/x - Step 3: Cross multiply
1,959,974.97x = 2,705,748.81 × 1,225,337.37 - Step 4: Simplify right side
1,959,974.97x = 3,315,455,131,204.29 - Step 5: Solve for x
x = 3,315,455,131,204.29/1,959,974.97 - Step 6: Final answer
x = 1,691,580.34
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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.