Finding the Fourth Proportional to 2,877,778.08, 3,972,464.64 and 1,897,561.44
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Solution
The fourth proportional to 2,877,778.08, 3,972,464.64 and 1,897,561.44 is: 2,619,380.48
Step by Step Solution
- Step 1: Write the proportion equation
2,877,778.08 : 3,972,464.64 = 1,897,561.44 : x - Step 2: Convert to fraction form
2,877,778.08/3,972,464.64 = 1,897,561.44/x - Step 3: Cross multiply
2,877,778.08x = 3,972,464.64 × 1,897,561.44 - Step 4: Simplify right side
2,877,778.08x = 7,537,995,722,627.48 - Step 5: Solve for x
x = 7,537,995,722,627.48/2,877,778.08 - Step 6: Final answer
x = 2,619,380.48
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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.