Finding the Fourth Proportional to 2,219,907.06, 3,063,471.84 and 1,201,311.81
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Solution
The fourth proportional to 2,219,907.06, 3,063,471.84 and 1,201,311.81 is: 1,657,810.35
Step by Step Solution
- Step 1: Write the proportion equation
2,219,907.06 : 3,063,471.84 = 1,201,311.81 : x - Step 2: Convert to fraction form
2,219,907.06/3,063,471.84 = 1,201,311.81/x - Step 3: Cross multiply
2,219,907.06x = 3,063,471.84 × 1,201,311.81 - Step 4: Simplify right side
2,219,907.06x = 3,680,184,900,994.43 - Step 5: Solve for x
x = 3,680,184,900,994.43/2,219,907.06 - Step 6: Final answer
x = 1,657,810.35
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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.