Finding the Fourth Proportional to 5,053,477.12, 6,973,816.64 and 2,761,638.08
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Solution
The fourth proportional to 5,053,477.12, 6,973,816.64 and 2,761,638.08 is: 3,811,070.50
Step by Step Solution
- Step 1: Write the proportion equation
5,053,477.12 : 6,973,816.64 = 2,761,638.08 : x - Step 2: Convert to fraction form
5,053,477.12/6,973,816.64 = 2,761,638.08/x - Step 3: Cross multiply
5,053,477.12x = 6,973,816.64 × 2,761,638.08 - Step 4: Simplify right side
5,053,477.12x = 19,259,157,595,961.65 - Step 5: Solve for x
x = 19,259,157,595,961.65/5,053,477.12 - Step 6: Final answer
x = 3,811,070.50
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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.