Finding the Fourth Proportional to 6,366,380.60, 9,546,287.70 and 1,878,073.40
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Solution
The fourth proportional to 6,366,380.60, 9,546,287.70 and 1,878,073.40 is: 2,816,141.56
Step by Step Solution
- Step 1: Write the proportion equation
6,366,380.60 : 9,546,287.70 = 1,878,073.40 : x - Step 2: Convert to fraction form
6,366,380.60/9,546,287.70 = 1,878,073.40/x - Step 3: Cross multiply
6,366,380.60x = 9,546,287.70 × 1,878,073.40 - Step 4: Simplify right side
6,366,380.60x = 17,928,628,998,117.18 - Step 5: Solve for x
x = 17,928,628,998,117.18/6,366,380.60 - Step 6: Final answer
x = 2,816,141.56
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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.