Finding the Fourth Proportional to 5,200,650.08, 7,177,108.63 and 2,877,504.80
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Solution
The fourth proportional to 5,200,650.08, 7,177,108.63 and 2,877,504.80 is: 3,971,073.66
Step by Step Solution
- Step 1: Write the proportion equation
5,200,650.08 : 7,177,108.63 = 2,877,504.80 : x - Step 2: Convert to fraction form
5,200,650.08/7,177,108.63 = 2,877,504.80/x - Step 3: Cross multiply
5,200,650.08x = 7,177,108.63 × 2,877,504.80 - Step 4: Simplify right side
5,200,650.08x = 20,652,164,535,661.31 - Step 5: Solve for x
x = 20,652,164,535,661.31/5,200,650.08 - Step 6: Final answer
x = 3,971,073.66
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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.