Finding the Fourth Proportional to 2,670,919.52, 3,685,872.18 and 1,447,224.08
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Solution
The fourth proportional to 2,670,919.52, 3,685,872.18 and 1,447,224.08 is: 1,997,170.99
Step by Step Solution
- Step 1: Write the proportion equation
2,670,919.52 : 3,685,872.18 = 1,447,224.08 : x - Step 2: Convert to fraction form
2,670,919.52/3,685,872.18 = 1,447,224.08/x - Step 3: Cross multiply
2,670,919.52x = 3,685,872.18 × 1,447,224.08 - Step 4: Simplify right side
2,670,919.52x = 5,334,282,995,943.58 - Step 5: Solve for x
x = 5,334,282,995,943.58/2,670,919.52 - Step 6: Final answer
x = 1,997,170.99
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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.