Finding the Fourth Proportional to 2,688,642.22, 4,034,644.56 and 1,091,205.10
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Solution
The fourth proportional to 2,688,642.22, 4,034,644.56 and 1,091,205.10 is: 1,637,489.99
Step by Step Solution
- Step 1: Write the proportion equation
2,688,642.22 : 4,034,644.56 = 1,091,205.10 : x - Step 2: Convert to fraction form
2,688,642.22/4,034,644.56 = 1,091,205.10/x - Step 3: Cross multiply
2,688,642.22x = 4,034,644.56 × 1,091,205.10 - Step 4: Simplify right side
2,688,642.22x = 4,402,624,720,559.26 - Step 5: Solve for x
x = 4,402,624,720,559.26/2,688,642.22 - Step 6: Final answer
x = 1,637,489.99
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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.