Finding the Fourth Proportional to 6,174,348.70, 9,261,523.05 and 1,686,624.70
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Solution
The fourth proportional to 6,174,348.70, 9,261,523.05 and 1,686,624.70 is: 2,529,937.05
Step by Step Solution
- Step 1: Write the proportion equation
6,174,348.70 : 9,261,523.05 = 1,686,624.70 : x - Step 2: Convert to fraction form
6,174,348.70/9,261,523.05 = 1,686,624.70/x - Step 3: Cross multiply
6,174,348.70x = 9,261,523.05 × 1,686,624.70 - Step 4: Simplify right side
6,174,348.70x = 15,620,713,535,749.34 - Step 5: Solve for x
x = 15,620,713,535,749.34/6,174,348.70 - Step 6: Final answer
x = 2,529,937.05
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Double scale
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Similar ratio
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1.5x scale
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.