Finding the Fourth Proportional to 2,286,991.20, 3,156,241.68 and 1,268,724
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Solution
The fourth proportional to 2,286,991.20, 3,156,241.68 and 1,268,724 is: 1,750,946.65
Step by Step Solution
- Step 1: Write the proportion equation
2,286,991.20 : 3,156,241.68 = 1,268,724 : x - Step 2: Convert to fraction form
2,286,991.20/3,156,241.68 = 1,268,724/x - Step 3: Cross multiply
2,286,991.20x = 3,156,241.68 × 1,268,724 - Step 4: Simplify right side
2,286,991.20x = 4,004,399,569,216.32 - Step 5: Solve for x
x = 4,004,399,569,216.32/2,286,991.20 - Step 6: Final answer
x = 1,750,946.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.