Finding the Fourth Proportional to 1,999,011.31, 2,998,514.64 and 651,171.74
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Solution
The fourth proportional to 1,999,011.31, 2,998,514.64 and 651,171.74 is: 976,756.86
Step by Step Solution
- Step 1: Write the proportion equation
1,999,011.31 : 2,998,514.64 = 651,171.74 : x - Step 2: Convert to fraction form
1,999,011.31/2,998,514.64 = 651,171.74/x - Step 3: Cross multiply
1,999,011.31x = 2,998,514.64 × 651,171.74 - Step 4: Simplify right side
1,999,011.31x = 1,952,548,006,462.14 - Step 5: Solve for x
x = 1,952,548,006,462.14/1,999,011.31 - Step 6: Final answer
x = 976,756.86
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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.