Finding the Fourth Proportional to 3,641,226.51, 5,457,272.67 and 1,931,149.05
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Solution
The fourth proportional to 3,641,226.51, 5,457,272.67 and 1,931,149.05 is: 2,894,301.38
Step by Step Solution
- Step 1: Write the proportion equation
3,641,226.51 : 5,457,272.67 = 1,931,149.05 : x - Step 2: Convert to fraction form
3,641,226.51/5,457,272.67 = 1,931,149.05/x - Step 3: Cross multiply
3,641,226.51x = 5,457,272.67 × 1,931,149.05 - Step 4: Simplify right side
3,641,226.51x = 10,538,806,911,796.69 - Step 5: Solve for x
x = 10,538,806,911,796.69/3,641,226.51 - Step 6: Final answer
x = 2,894,301.38
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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.