Finding the Fourth Proportional to 5,911,871.14, 8,158,378.56 and 3,195,617.14
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Solution
The fourth proportional to 5,911,871.14, 8,158,378.56 and 3,195,617.14 is: 4,409,949.70
Step by Step Solution
- Step 1: Write the proportion equation
5,911,871.14 : 8,158,378.56 = 3,195,617.14 : x - Step 2: Convert to fraction form
5,911,871.14/8,158,378.56 = 3,195,617.14/x - Step 3: Cross multiply
5,911,871.14x = 8,158,378.56 × 3,195,617.14 - Step 4: Simplify right side
5,911,871.14x = 26,071,054,360,944.52 - Step 5: Solve for x
x = 26,071,054,360,944.52/5,911,871.14 - Step 6: Final answer
x = 4,409,949.70
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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.