Finding the Fourth Proportional to 4,708,939.92, 6,498,145.80 and 2,671,705.68
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Solution
The fourth proportional to 4,708,939.92, 6,498,145.80 and 2,671,705.68 is: 3,686,845.31
Step by Step Solution
- Step 1: Write the proportion equation
4,708,939.92 : 6,498,145.80 = 2,671,705.68 : x - Step 2: Convert to fraction form
4,708,939.92/6,498,145.80 = 2,671,705.68/x - Step 3: Cross multiply
4,708,939.92x = 6,498,145.80 × 2,671,705.68 - Step 4: Simplify right side
4,708,939.92x = 17,361,133,043,328.14 - Step 5: Solve for x
x = 17,361,133,043,328.14/4,708,939.92 - Step 6: Final answer
x = 3,686,845.31
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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.