Finding the Fourth Proportional to 2,085,605.10, 3,128,407.65 and 823,268.70
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Solution
The fourth proportional to 2,085,605.10, 3,128,407.65 and 823,268.70 is: 1,234,903.05
Step by Step Solution
- Step 1: Write the proportion equation
2,085,605.10 : 3,128,407.65 = 823,268.70 : x - Step 2: Convert to fraction form
2,085,605.10/3,128,407.65 = 823,268.70/x - Step 3: Cross multiply
2,085,605.10x = 3,128,407.65 × 823,268.70 - Step 4: Simplify right side
2,085,605.10x = 2,575,520,099,085.55 - Step 5: Solve for x
x = 2,575,520,099,085.55/2,085,605.10 - Step 6: Final answer
x = 1,234,903.05
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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.