Finding the Fourth Proportional to 3,054,482.31, 4,211,731.33 and 1,950,462.09
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Solution
The fourth proportional to 3,054,482.31, 4,211,731.33 and 1,950,462.09 is: 2,689,431.94
Step by Step Solution
- Step 1: Write the proportion equation
3,054,482.31 : 4,211,731.33 = 1,950,462.09 : x - Step 2: Convert to fraction form
3,054,482.31/4,211,731.33 = 1,950,462.09/x - Step 3: Cross multiply
3,054,482.31x = 4,211,731.33 × 1,950,462.09 - Step 4: Simplify right side
3,054,482.31x = 8,214,822,292,430.28 - Step 5: Solve for x
x = 8,214,822,292,430.28/3,054,482.31 - Step 6: Final answer
x = 2,689,431.94
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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.