Finding the Fourth Proportional to 4,780,970.64, 6,597,546.84 and 2,605,467.06
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Solution
The fourth proportional to 4,780,970.64, 6,597,546.84 and 2,605,467.06 is: 3,595,439.56
Step by Step Solution
- Step 1: Write the proportion equation
4,780,970.64 : 6,597,546.84 = 2,605,467.06 : x - Step 2: Convert to fraction form
4,780,970.64/6,597,546.84 = 2,605,467.06/x - Step 3: Cross multiply
4,780,970.64x = 6,597,546.84 × 2,605,467.06 - Step 4: Simplify right side
4,780,970.64x = 17,189,690,968,427.09 - Step 5: Solve for x
x = 17,189,690,968,427.09/4,780,970.64 - Step 6: Final answer
x = 3,595,439.56
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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.