Finding the Fourth Proportional to 1,919,876.31, 2,879,979.84 and 499,934.97
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Solution
The fourth proportional to 1,919,876.31, 2,879,979.84 and 499,934.97 is: 749,945.52
Step by Step Solution
- Step 1: Write the proportion equation
1,919,876.31 : 2,879,979.84 = 499,934.97 : x - Step 2: Convert to fraction form
1,919,876.31/2,879,979.84 = 499,934.97/x - Step 3: Cross multiply
1,919,876.31x = 2,879,979.84 × 499,934.97 - Step 4: Simplify right side
1,919,876.31x = 1,439,802,634,911.00 - Step 5: Solve for x
x = 1,439,802,634,911.00/1,919,876.31 - Step 6: Final answer
x = 749,945.52
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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.