Finding the Fourth Proportional to 3,160,734.97, 4,361,345.05 and 1,919,699.49
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Solution
The fourth proportional to 3,160,734.97, 4,361,345.05 and 1,919,699.49 is: 2,648,900.32
Step by Step Solution
- Step 1: Write the proportion equation
3,160,734.97 : 4,361,345.05 = 1,919,699.49 : x - Step 2: Convert to fraction form
3,160,734.97/4,361,345.05 = 1,919,699.49/x - Step 3: Cross multiply
3,160,734.97x = 4,361,345.05 × 1,919,699.49 - Step 4: Simplify right side
3,160,734.97x = 8,372,471,879,754.82 - Step 5: Solve for x
x = 8,372,471,879,754.82/3,160,734.97 - Step 6: Final answer
x = 2,648,900.32
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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.