Finding the Fourth Proportional to 2,821,643.08, 3,893,895.96 and 1,532,508.64
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Solution
The fourth proportional to 2,821,643.08, 3,893,895.96 and 1,532,508.64 is: 2,114,877.41
Step by Step Solution
- Step 1: Write the proportion equation
2,821,643.08 : 3,893,895.96 = 1,532,508.64 : x - Step 2: Convert to fraction form
2,821,643.08/3,893,895.96 = 1,532,508.64/x - Step 3: Cross multiply
2,821,643.08x = 3,893,895.96 × 1,532,508.64 - Step 4: Simplify right side
2,821,643.08x = 5,967,429,201,961.09 - Step 5: Solve for x
x = 5,967,429,201,961.09/2,821,643.08 - Step 6: Final answer
x = 2,114,877.41
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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.