Finding the Fourth Proportional to 6,232,078.20, 9,348,117.30 and 1,972,579.80
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Solution
The fourth proportional to 6,232,078.20, 9,348,117.30 and 1,972,579.80 is: 2,958,869.70
Step by Step Solution
- Step 1: Write the proportion equation
6,232,078.20 : 9,348,117.30 = 1,972,579.80 : x - Step 2: Convert to fraction form
6,232,078.20/9,348,117.30 = 1,972,579.80/x - Step 3: Cross multiply
6,232,078.20x = 9,348,117.30 × 1,972,579.80 - Step 4: Simplify right side
6,232,078.20x = 18,439,907,354,010.54 - Step 5: Solve for x
x = 18,439,907,354,010.54/6,232,078.20 - Step 6: Final answer
x = 2,958,869.70
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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.