Finding the Fourth Proportional to 2,356,864.97, 3,252,382.10 and 1,440,628.21
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Solution
The fourth proportional to 2,356,864.97, 3,252,382.10 and 1,440,628.21 is: 1,988,010.96
Step by Step Solution
- Step 1: Write the proportion equation
2,356,864.97 : 3,252,382.10 = 1,440,628.21 : x - Step 2: Convert to fraction form
2,356,864.97/3,252,382.10 = 1,440,628.21/x - Step 3: Cross multiply
2,356,864.97x = 3,252,382.10 × 1,440,628.21 - Step 4: Simplify right side
2,356,864.97x = 4,685,473,386,697.13 - Step 5: Solve for x
x = 4,685,473,386,697.13/2,356,864.97 - Step 6: Final answer
x = 1,988,010.96
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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.