Finding the Fourth Proportional to 1,437,177.91, 2,149,296.07 and 1,278,188.48
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Solution
The fourth proportional to 1,437,177.91, 2,149,296.07 and 1,278,188.48 is: 1,911,527.76
Step by Step Solution
- Step 1: Write the proportion equation
1,437,177.91 : 2,149,296.07 = 1,278,188.48 : x - Step 2: Convert to fraction form
1,437,177.91/2,149,296.07 = 1,278,188.48/x - Step 3: Cross multiply
1,437,177.91x = 2,149,296.07 × 1,278,188.48 - Step 4: Simplify right side
1,437,177.91x = 2,747,205,468,214.56 - Step 5: Solve for x
x = 2,747,205,468,214.56/1,437,177.91 - Step 6: Final answer
x = 1,911,527.76
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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.