Finding the Fourth Proportional to 4,813,828.43, 6,642,101.45 and 2,852,842.12
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Solution
The fourth proportional to 4,813,828.43, 6,642,101.45 and 2,852,842.12 is: 3,936,340.29
Step by Step Solution
- Step 1: Write the proportion equation
4,813,828.43 : 6,642,101.45 = 2,852,842.12 : x - Step 2: Convert to fraction form
4,813,828.43/6,642,101.45 = 2,852,842.12/x - Step 3: Cross multiply
4,813,828.43x = 6,642,101.45 × 2,852,842.12 - Step 4: Simplify right side
4,813,828.43x = 18,948,866,772,399.93 - Step 5: Solve for x
x = 18,948,866,772,399.93/4,813,828.43 - Step 6: Final answer
x = 3,936,340.29
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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.