Finding the Fourth Proportional to 1,901,226.60, 2,852,271.90 and 639,181.80
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Solution
The fourth proportional to 1,901,226.60, 2,852,271.90 and 639,181.80 is: 958,917.94
Step by Step Solution
- Step 1: Write the proportion equation
1,901,226.60 : 2,852,271.90 = 639,181.80 : x - Step 2: Convert to fraction form
1,901,226.60/2,852,271.90 = 639,181.80/x - Step 3: Cross multiply
1,901,226.60x = 2,852,271.90 × 639,181.80 - Step 4: Simplify right side
1,901,226.60x = 1,823,120,287,131.42 - Step 5: Solve for x
x = 1,823,120,287,131.42/1,901,226.60 - Step 6: Final answer
x = 958,917.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.