Finding the Fourth Proportional to 3,470,943.44, 4,789,865.40 and 1,943,063.12
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Solution
The fourth proportional to 3,470,943.44, 4,789,865.40 and 1,943,063.12 is: 2,681,406.65
Step by Step Solution
- Step 1: Write the proportion equation
3,470,943.44 : 4,789,865.40 = 1,943,063.12 : x - Step 2: Convert to fraction form
3,470,943.44/4,789,865.40 = 1,943,063.12/x - Step 3: Cross multiply
3,470,943.44x = 4,789,865.40 × 1,943,063.12 - Step 4: Simplify right side
3,470,943.44x = 9,307,010,808,504.05 - Step 5: Solve for x
x = 9,307,010,808,504.05/3,470,943.44 - Step 6: Final answer
x = 2,681,406.65
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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.