Finding the Fourth Proportional to 2,129,227.98, 3,194,345.39 and 689,909.01
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Solution
The fourth proportional to 2,129,227.98, 3,194,345.39 and 689,909.01 is: 1,035,026.63
Step by Step Solution
- Step 1: Write the proportion equation
2,129,227.98 : 3,194,345.39 = 689,909.01 : x - Step 2: Convert to fraction form
2,129,227.98/3,194,345.39 = 689,909.01/x - Step 3: Cross multiply
2,129,227.98x = 3,194,345.39 × 689,909.01 - Step 4: Simplify right side
2,129,227.98x = 2,203,807,662,163.42 - Step 5: Solve for x
x = 2,203,807,662,163.42/2,129,227.98 - Step 6: Final answer
x = 1,035,026.63
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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.