Finding the Fourth Proportional to 5,228,646.24, 7,215,748.73 and 2,905,530.08
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Solution
The fourth proportional to 5,228,646.24, 7,215,748.73 and 2,905,530.08 is: 4,009,752.05
Step by Step Solution
- Step 1: Write the proportion equation
5,228,646.24 : 7,215,748.73 = 2,905,530.08 : x - Step 2: Convert to fraction form
5,228,646.24/7,215,748.73 = 2,905,530.08/x - Step 3: Cross multiply
5,228,646.24x = 7,215,748.73 × 2,905,530.08 - Step 4: Simplify right side
5,228,646.24x = 20,965,574,948,658.06 - Step 5: Solve for x
x = 20,965,574,948,658.06/5,228,646.24 - Step 6: Final answer
x = 4,009,752.05
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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.