Finding the Fourth Proportional to 2,211,485.62, 3,051,948.36 and 1,244,678.53
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Solution
The fourth proportional to 2,211,485.62, 3,051,948.36 and 1,244,678.53 is: 1,717,711.64
Step by Step Solution
- Step 1: Write the proportion equation
2,211,485.62 : 3,051,948.36 = 1,244,678.53 : x - Step 2: Convert to fraction form
2,211,485.62/3,051,948.36 = 1,244,678.53/x - Step 3: Cross multiply
2,211,485.62x = 3,051,948.36 × 1,244,678.53 - Step 4: Simplify right side
2,211,485.62x = 3,798,694,598,360.71 - Step 5: Solve for x
x = 3,798,694,598,360.71/2,211,485.62 - Step 6: Final answer
x = 1,717,711.64
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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.