Finding the Fourth Proportional to 1,882,142.20, 2,823,213.30 and 1,354,637.80
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Solution
The fourth proportional to 1,882,142.20, 2,823,213.30 and 1,354,637.80 is: 2,031,956.70
Step by Step Solution
- Step 1: Write the proportion equation
1,882,142.20 : 2,823,213.30 = 1,354,637.80 : x - Step 2: Convert to fraction form
1,882,142.20/2,823,213.30 = 1,354,637.80/x - Step 3: Cross multiply
1,882,142.20x = 2,823,213.30 × 1,354,637.80 - Step 4: Simplify right side
1,882,142.20x = 3,824,431,453,642.74 - Step 5: Solve for x
x = 3,824,431,453,642.74/1,882,142.20 - Step 6: Final answer
x = 2,031,956.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.