Finding the Fourth Proportional to 5,686,853.06, 7,847,857.53 and 3,108,544.09
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Solution
The fourth proportional to 5,686,853.06, 7,847,857.53 and 3,108,544.09 is: 4,289,791.01
Step by Step Solution
- Step 1: Write the proportion equation
5,686,853.06 : 7,847,857.53 = 3,108,544.09 : x - Step 2: Convert to fraction form
5,686,853.06/7,847,857.53 = 3,108,544.09/x - Step 3: Cross multiply
5,686,853.06x = 7,847,857.53 × 3,108,544.09 - Step 4: Simplify right side
5,686,853.06x = 24,395,411,124,423.86 - Step 5: Solve for x
x = 24,395,411,124,423.86/5,686,853.06 - Step 6: Final answer
x = 4,289,791.01
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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.