Finding the Fourth Proportional to 2,243,230.40, 3,095,704.80 and 1,224,678.08
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Solution
The fourth proportional to 2,243,230.40, 3,095,704.80 and 1,224,678.08 is: 1,690,081.33
Step by Step Solution
- Step 1: Write the proportion equation
2,243,230.40 : 3,095,704.80 = 1,224,678.08 : x - Step 2: Convert to fraction form
2,243,230.40/3,095,704.80 = 1,224,678.08/x - Step 3: Cross multiply
2,243,230.40x = 3,095,704.80 × 1,224,678.08 - Step 4: Simplify right side
2,243,230.40x = 3,791,241,810,710.78 - Step 5: Solve for x
x = 3,791,241,810,710.78/2,243,230.40 - Step 6: Final answer
x = 1,690,081.33
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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.