Finding the Fourth Proportional to 2,877,114.42, 3,970,409.70 and 1,587,945.55
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Solution
The fourth proportional to 2,877,114.42, 3,970,409.70 and 1,587,945.55 is: 2,191,360.33
Step by Step Solution
- Step 1: Write the proportion equation
2,877,114.42 : 3,970,409.70 = 1,587,945.55 : x - Step 2: Convert to fraction form
2,877,114.42/3,970,409.70 = 1,587,945.55/x - Step 3: Cross multiply
2,877,114.42x = 3,970,409.70 × 1,587,945.55 - Step 4: Simplify right side
2,877,114.42x = 6,304,794,414,791.84 - Step 5: Solve for x
x = 6,304,794,414,791.84/2,877,114.42 - Step 6: Final answer
x = 2,191,360.33
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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.