Finding the Fourth Proportional to 2,867,106.06, 3,956,634.30 and 1,577,976.18
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Solution
The fourth proportional to 2,867,106.06, 3,956,634.30 and 1,577,976.18 is: 2,177,622.50
Step by Step Solution
- Step 1: Write the proportion equation
2,867,106.06 : 3,956,634.30 = 1,577,976.18 : x - Step 2: Convert to fraction form
2,867,106.06/3,956,634.30 = 1,577,976.18/x - Step 3: Cross multiply
2,867,106.06x = 3,956,634.30 × 1,577,976.18 - Step 4: Simplify right side
2,867,106.06x = 6,243,474,678,370.97 - Step 5: Solve for x
x = 6,243,474,678,370.97/2,867,106.06 - Step 6: Final answer
x = 2,177,622.50
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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.