Finding the Fourth Proportional to 4,505,652.79, 6,217,672.69 and 2,645,038.42
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Solution
The fourth proportional to 4,505,652.79, 6,217,672.69 and 2,645,038.42 is: 3,650,077.78
Step by Step Solution
- Step 1: Write the proportion equation
4,505,652.79 : 6,217,672.69 = 2,645,038.42 : x - Step 2: Convert to fraction form
4,505,652.79/6,217,672.69 = 2,645,038.42/x - Step 3: Cross multiply
4,505,652.79x = 6,217,672.69 × 2,645,038.42 - Step 4: Simplify right side
4,505,652.79x = 16,445,983,148,034.75 - Step 5: Solve for x
x = 16,445,983,148,034.75/4,505,652.79 - Step 6: Final answer
x = 3,650,077.78
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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.