Finding the Fourth Proportional to 4,844,484.38, 6,686,356.61 and 2,780,894.97
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Solution
The fourth proportional to 4,844,484.38, 6,686,356.61 and 2,780,894.97 is: 3,838,190.82
Step by Step Solution
- Step 1: Write the proportion equation
4,844,484.38 : 6,686,356.61 = 2,780,894.97 : x - Step 2: Convert to fraction form
4,844,484.38/6,686,356.61 = 2,780,894.97/x - Step 3: Cross multiply
4,844,484.38x = 6,686,356.61 × 2,780,894.97 - Step 4: Simplify right side
4,844,484.38x = 18,594,055,471,327.49 - Step 5: Solve for x
x = 18,594,055,471,327.49/4,844,484.38 - Step 6: Final answer
x = 3,838,190.82
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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.