Finding the Fourth Proportional to 2,386,151.12, 3,292,888.92 and 1,313,063.12
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Solution
The fourth proportional to 2,386,151.12, 3,292,888.92 and 1,313,063.12 is: 1,812,027.31
Step by Step Solution
- Step 1: Write the proportion equation
2,386,151.12 : 3,292,888.92 = 1,313,063.12 : x - Step 2: Convert to fraction form
2,386,151.12/3,292,888.92 = 1,313,063.12/x - Step 3: Cross multiply
2,386,151.12x = 3,292,888.92 × 1,313,063.12 - Step 4: Simplify right side
2,386,151.12x = 4,323,770,999,108.63 - Step 5: Solve for x
x = 4,323,770,999,108.63/2,386,151.12 - Step 6: Final answer
x = 1,812,027.31
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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.