Finding the Fourth Proportional to 2,919,783.44, 4,381,243.72 and 1,215,101.99
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Solution
The fourth proportional to 2,919,783.44, 4,381,243.72 and 1,215,101.99 is: 1,823,305.75
Step by Step Solution
- Step 1: Write the proportion equation
2,919,783.44 : 4,381,243.72 = 1,215,101.99 : x - Step 2: Convert to fraction form
2,919,783.44/4,381,243.72 = 1,215,101.99/x - Step 3: Cross multiply
2,919,783.44x = 4,381,243.72 × 1,215,101.99 - Step 4: Simplify right side
2,919,783.44x = 5,323,657,937,903.03 - Step 5: Solve for x
x = 5,323,657,937,903.03/2,919,783.44 - Step 6: Final answer
x = 1,823,305.75
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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.