Finding the Fourth Proportional to 2,186,154.40, 3,016,968.08 and 1,268,314.08
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Solution
The fourth proportional to 2,186,154.40, 3,016,968.08 and 1,268,314.08 is: 1,750,316.95
Step by Step Solution
- Step 1: Write the proportion equation
2,186,154.40 : 3,016,968.08 = 1,268,314.08 : x - Step 2: Convert to fraction form
2,186,154.40/3,016,968.08 = 1,268,314.08/x - Step 3: Cross multiply
2,186,154.40x = 3,016,968.08 × 1,268,314.08 - Step 4: Simplify right side
2,186,154.40x = 3,826,463,094,774.57 - Step 5: Solve for x
x = 3,826,463,094,774.57/2,186,154.40 - Step 6: Final answer
x = 1,750,316.95
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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.