Finding the Fourth Proportional to 1,830,920.48, 2,747,961.84 and 1,270,348.64
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Solution
The fourth proportional to 1,830,920.48, 2,747,961.84 and 1,270,348.64 is: 1,906,619.99
Step by Step Solution
- Step 1: Write the proportion equation
1,830,920.48 : 2,747,961.84 = 1,270,348.64 : x - Step 2: Convert to fraction form
1,830,920.48/2,747,961.84 = 1,270,348.64/x - Step 3: Cross multiply
1,830,920.48x = 2,747,961.84 × 1,270,348.64 - Step 4: Simplify right side
1,830,920.48x = 3,490,869,586,215.90 - Step 5: Solve for x
x = 3,490,869,586,215.90/1,830,920.48 - Step 6: Final answer
x = 1,906,619.99
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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.