Finding the Fourth Proportional to 5,927,507.32, 8,179,908.78 and 3,211,246.84
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Solution
The fourth proportional to 5,927,507.32, 8,179,908.78 and 3,211,246.84 is: 4,431,492.84
Step by Step Solution
- Step 1: Write the proportion equation
5,927,507.32 : 8,179,908.78 = 3,211,246.84 : x - Step 2: Convert to fraction form
5,927,507.32/8,179,908.78 = 3,211,246.84/x - Step 3: Cross multiply
5,927,507.32x = 8,179,908.78 × 3,211,246.84 - Step 4: Simplify right side
5,927,507.32x = 26,267,706,221,263.25 - Step 5: Solve for x
x = 26,267,706,221,263.25/5,927,507.32 - Step 6: Final answer
x = 4,431,492.84
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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.