Finding the Fourth Proportional to 1,482,972.60, 2,046,374.79 and 862,892.49
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Solution
The fourth proportional to 1,482,972.60, 2,046,374.79 and 862,892.49 is: 1,190,717.51
Step by Step Solution
- Step 1: Write the proportion equation
1,482,972.60 : 2,046,374.79 = 862,892.49 : x - Step 2: Convert to fraction form
1,482,972.60/2,046,374.79 = 862,892.49/x - Step 3: Cross multiply
1,482,972.60x = 2,046,374.79 × 862,892.49 - Step 4: Simplify right side
1,482,972.60x = 1,765,801,442,454.39 - Step 5: Solve for x
x = 1,765,801,442,454.39/1,482,972.60 - Step 6: Final answer
x = 1,190,717.51
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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.