Finding the Fourth Proportional to 1,853,722.70, 2,777,473.65 and 905,050.70
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Solution
The fourth proportional to 1,853,722.70, 2,777,473.65 and 905,050.70 is: 1,356,057.45
Step by Step Solution
- Step 1: Write the proportion equation
1,853,722.70 : 2,777,473.65 = 905,050.70 : x - Step 2: Convert to fraction form
1,853,722.70/2,777,473.65 = 905,050.70/x - Step 3: Cross multiply
1,853,722.70x = 2,777,473.65 × 905,050.70 - Step 4: Simplify right side
1,853,722.70x = 2,513,754,471,164.05 - Step 5: Solve for x
x = 2,513,754,471,164.05/1,853,722.70 - Step 6: Final answer
x = 1,356,057.45
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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.