Finding the Fourth Proportional to 2,191,766.71, 3,024,731.48 and 1,224,896.99
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Solution
The fourth proportional to 2,191,766.71, 3,024,731.48 and 1,224,896.99 is: 1,690,410.05
Step by Step Solution
- Step 1: Write the proportion equation
2,191,766.71 : 3,024,731.48 = 1,224,896.99 : x - Step 2: Convert to fraction form
2,191,766.71/3,024,731.48 = 1,224,896.99/x - Step 3: Cross multiply
2,191,766.71x = 3,024,731.48 × 1,224,896.99 - Step 4: Simplify right side
2,191,766.71x = 3,704,984,465,884.68 - Step 5: Solve for x
x = 3,704,984,465,884.68/2,191,766.71 - Step 6: Final answer
x = 1,690,410.05
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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.