Finding the Fourth Proportional to 2,874,470.21, 3,965,767.23 and 1,842,547.03
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Solution
The fourth proportional to 2,874,470.21, 3,965,767.23 and 1,842,547.03 is: 2,542,072.84
Step by Step Solution
- Step 1: Write the proportion equation
2,874,470.21 : 3,965,767.23 = 1,842,547.03 : x - Step 2: Convert to fraction form
2,874,470.21/3,965,767.23 = 1,842,547.03/x - Step 3: Cross multiply
2,874,470.21x = 3,965,767.23 × 1,842,547.03 - Step 4: Simplify right side
2,874,470.21x = 7,307,112,637,463.82 - Step 5: Solve for x
x = 7,307,112,637,463.82/2,874,470.21 - Step 6: Final answer
x = 2,542,072.84
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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.