Finding the Fourth Proportional to 4,075,276.10, 6,112,914.15 and 2,185,708.10
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Solution
The fourth proportional to 4,075,276.10, 6,112,914.15 and 2,185,708.10 is: 3,278,562.15
Step by Step Solution
- Step 1: Write the proportion equation
4,075,276.10 : 6,112,914.15 = 2,185,708.10 : x - Step 2: Convert to fraction form
4,075,276.10/6,112,914.15 = 2,185,708.10/x - Step 3: Cross multiply
4,075,276.10x = 6,112,914.15 × 2,185,708.10 - Step 4: Simplify right side
4,075,276.10x = 13,361,045,972,259.62 - Step 5: Solve for x
x = 13,361,045,972,259.62/4,075,276.10 - Step 6: Final answer
x = 3,278,562.15
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1.5x scale
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.