Finding the Fourth Proportional to 4,842,809.91, 6,685,642.40 and 3,752,634.15
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Solution
The fourth proportional to 4,842,809.91, 6,685,642.40 and 3,752,634.15 is: 5,180,622.50
Step by Step Solution
- Step 1: Write the proportion equation
4,842,809.91 : 6,685,642.40 = 3,752,634.15 : x - Step 2: Convert to fraction form
4,842,809.91/6,685,642.40 = 3,752,634.15/x - Step 3: Cross multiply
4,842,809.91x = 6,685,642.40 × 3,752,634.15 - Step 4: Simplify right side
4,842,809.91x = 25,088,769,966,164.79 - Step 5: Solve for x
x = 25,088,769,966,164.79/4,842,809.91 - Step 6: Final answer
x = 5,180,622.50
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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.