Finding the Fourth Proportional to 4,971,972.09, 7,458,118.52 and 1,377,773.67
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Solution
The fourth proportional to 4,971,972.09, 7,458,118.52 and 1,377,773.67 is: 2,066,704.95
Step by Step Solution
- Step 1: Write the proportion equation
4,971,972.09 : 7,458,118.52 = 1,377,773.67 : x - Step 2: Convert to fraction form
4,971,972.09/7,458,118.52 = 1,377,773.67/x - Step 3: Cross multiply
4,971,972.09x = 7,458,118.52 × 1,377,773.67 - Step 4: Simplify right side
4,971,972.09x = 10,275,599,324,595.37 - Step 5: Solve for x
x = 10,275,599,324,595.37/4,971,972.09 - Step 6: Final answer
x = 2,066,704.95
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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.