Finding the Fourth Proportional to 5,110,033.67, 7,051,853.46 and 2,786,931.80
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Solution
The fourth proportional to 5,110,033.67, 7,051,853.46 and 2,786,931.80 is: 3,845,969.70
Step by Step Solution
- Step 1: Write the proportion equation
5,110,033.67 : 7,051,853.46 = 2,786,931.80 : x - Step 2: Convert to fraction form
5,110,033.67/7,051,853.46 = 2,786,931.80/x - Step 3: Cross multiply
5,110,033.67x = 7,051,853.46 × 2,786,931.80 - Step 4: Simplify right side
5,110,033.67x = 19,653,034,656,614.03 - Step 5: Solve for x
x = 19,653,034,656,614.03/5,110,033.67 - Step 6: Final answer
x = 3,845,969.70
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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.