Finding the Fourth Proportional to 4,793,507.79, 6,614,938.41 and 2,618,059.70
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Solution
The fourth proportional to 4,793,507.79, 6,614,938.41 and 2,618,059.70 is: 3,612,866.48
Step by Step Solution
- Step 1: Write the proportion equation
4,793,507.79 : 6,614,938.41 = 2,618,059.70 : x - Step 2: Convert to fraction form
4,793,507.79/6,614,938.41 = 2,618,059.70/x - Step 3: Cross multiply
4,793,507.79x = 6,614,938.41 × 2,618,059.70 - Step 4: Simplify right side
4,793,507.79x = 17,318,303,636,128.38 - Step 5: Solve for x
x = 17,318,303,636,128.38/4,793,507.79 - Step 6: Final answer
x = 3,612,866.48
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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.