Finding the Fourth Proportional to 5,361,769.55, 7,399,291.50 and 2,914,386.34
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Solution
The fourth proportional to 5,361,769.55, 7,399,291.50 and 2,914,386.34 is: 4,021,880.07
Step by Step Solution
- Step 1: Write the proportion equation
5,361,769.55 : 7,399,291.50 = 2,914,386.34 : x - Step 2: Convert to fraction form
5,361,769.55/7,399,291.50 = 2,914,386.34/x - Step 3: Cross multiply
5,361,769.55x = 7,399,291.50 × 2,914,386.34 - Step 4: Simplify right side
5,361,769.55x = 21,564,394,073,278.11 - Step 5: Solve for x
x = 21,564,394,073,278.11/5,361,769.55 - Step 6: Final answer
x = 4,021,880.07
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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.