Finding the Fourth Proportional to 1,474,194.65, 2,211,304.28 and 409,319.75
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Solution
The fourth proportional to 1,474,194.65, 2,211,304.28 and 409,319.75 is: 613,983.03
Step by Step Solution
- Step 1: Write the proportion equation
1,474,194.65 : 2,211,304.28 = 409,319.75 : x - Step 2: Convert to fraction form
1,474,194.65/2,211,304.28 = 409,319.75/x - Step 3: Cross multiply
1,474,194.65x = 2,211,304.28 × 409,319.75 - Step 4: Simplify right side
1,474,194.65x = 905,130,501,960.41 - Step 5: Solve for x
x = 905,130,501,960.41/1,474,194.65 - Step 6: Final answer
x = 613,983.03
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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.