Finding the Fourth Proportional to 5,412,831.08, 8,118,265.44 and 2,174,238.14
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Solution
The fourth proportional to 5,412,831.08, 8,118,265.44 and 2,174,238.14 is: 3,260,963.09
Step by Step Solution
- Step 1: Write the proportion equation
5,412,831.08 : 8,118,265.44 = 2,174,238.14 : x - Step 2: Convert to fraction form
5,412,831.08/8,118,265.44 = 2,174,238.14/x - Step 3: Cross multiply
5,412,831.08x = 8,118,265.44 × 2,174,238.14 - Step 4: Simplify right side
5,412,831.08x = 17,651,042,350,291.88 - Step 5: Solve for x
x = 17,651,042,350,291.88/5,412,831.08 - Step 6: Final answer
x = 3,260,963.09
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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.