Finding the Fourth Proportional to 2,089,756.35, 2,884,178.97 and 1,274,432.97
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Solution
The fourth proportional to 2,089,756.35, 2,884,178.97 and 1,274,432.97 is: 1,758,909.73
Step by Step Solution
- Step 1: Write the proportion equation
2,089,756.35 : 2,884,178.97 = 1,274,432.97 : x - Step 2: Convert to fraction form
2,089,756.35/2,884,178.97 = 1,274,432.97/x - Step 3: Cross multiply
2,089,756.35x = 2,884,178.97 × 1,274,432.97 - Step 4: Simplify right side
2,089,756.35x = 3,675,692,770,748.64 - Step 5: Solve for x
x = 3,675,692,770,748.64/2,089,756.35 - Step 6: Final answer
x = 1,758,909.73
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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.