Finding the Fourth Proportional to 4,268,459.20, 6,394,394.40 and 2,371,806.40
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Solution
The fourth proportional to 4,268,459.20, 6,394,394.40 and 2,371,806.40 is: 3,553,100.74
Step by Step Solution
- Step 1: Write the proportion equation
4,268,459.20 : 6,394,394.40 = 2,371,806.40 : x - Step 2: Convert to fraction form
4,268,459.20/6,394,394.40 = 2,371,806.40/x - Step 3: Cross multiply
4,268,459.20x = 6,394,394.40 × 2,371,806.40 - Step 4: Simplify right side
4,268,459.20x = 15,166,265,562,044.16 - Step 5: Solve for x
x = 15,166,265,562,044.16/4,268,459.20 - Step 6: Final answer
x = 3,553,100.74
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.