Finding the Fourth Proportional to 1,919,888.31, 2,879,997.84 and 499,946.97
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Solution
The fourth proportional to 1,919,888.31, 2,879,997.84 and 499,946.97 is: 749,963.52
Step by Step Solution
- Step 1: Write the proportion equation
1,919,888.31 : 2,879,997.84 = 499,946.97 : x - Step 2: Convert to fraction form
1,919,888.31/2,879,997.84 = 499,946.97/x - Step 3: Cross multiply
1,919,888.31x = 2,879,997.84 × 499,946.97 - Step 4: Simplify right side
1,919,888.31x = 1,439,846,193,714.54 - Step 5: Solve for x
x = 1,439,846,193,714.54/1,919,888.31 - Step 6: Final answer
x = 749,963.52
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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.