Finding the Fourth Proportional to 2,720,281.78, 3,753,988.84 and 1,496,561.11
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Solution
The fourth proportional to 2,720,281.78, 3,753,988.84 and 1,496,561.11 is: 2,065,254.33
Step by Step Solution
- Step 1: Write the proportion equation
2,720,281.78 : 3,753,988.84 = 1,496,561.11 : x - Step 2: Convert to fraction form
2,720,281.78/3,753,988.84 = 1,496,561.11/x - Step 3: Cross multiply
2,720,281.78x = 3,753,988.84 × 1,496,561.11 - Step 4: Simplify right side
2,720,281.78x = 5,618,073,718,919.93 - Step 5: Solve for x
x = 5,618,073,718,919.93/2,720,281.78 - Step 6: Final answer
x = 2,065,254.33
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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.