Finding the Fourth Proportional to 2,166,245.80, 2,989,529.70 and 1,199,482.84
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Solution
The fourth proportional to 2,166,245.80, 2,989,529.70 and 1,199,482.84 is: 1,655,347.50
Step by Step Solution
- Step 1: Write the proportion equation
2,166,245.80 : 2,989,529.70 = 1,199,482.84 : x - Step 2: Convert to fraction form
2,166,245.80/2,989,529.70 = 1,199,482.84/x - Step 3: Cross multiply
2,166,245.80x = 2,989,529.70 × 1,199,482.84 - Step 4: Simplify right side
2,166,245.80x = 3,585,889,574,820.35 - Step 5: Solve for x
x = 3,585,889,574,820.35/2,166,245.80 - Step 6: Final answer
x = 1,655,347.50
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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.