Finding the Fourth Proportional to 2,006,422.38, 2,768,679.63 and 1,190,485.62
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Solution
The fourth proportional to 2,006,422.38, 2,768,679.63 and 1,190,485.62 is: 1,642,761.42
Step by Step Solution
- Step 1: Write the proportion equation
2,006,422.38 : 2,768,679.63 = 1,190,485.62 : x - Step 2: Convert to fraction form
2,006,422.38/2,768,679.63 = 1,190,485.62/x - Step 3: Cross multiply
2,006,422.38x = 2,768,679.63 × 1,190,485.62 - Step 4: Simplify right side
2,006,422.38x = 3,296,073,285,901.92 - Step 5: Solve for x
x = 3,296,073,285,901.92/2,006,422.38 - Step 6: Final answer
x = 1,642,761.42
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.