Finding the Fourth Proportional to 5,777,536.72, 7,972,903.24 and 3,199,162.08
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Solution
The fourth proportional to 5,777,536.72, 7,972,903.24 and 3,199,162.08 is: 4,414,789.72
Step by Step Solution
- Step 1: Write the proportion equation
5,777,536.72 : 7,972,903.24 = 3,199,162.08 : x - Step 2: Convert to fraction form
5,777,536.72/7,972,903.24 = 3,199,162.08/x - Step 3: Cross multiply
5,777,536.72x = 7,972,903.24 × 3,199,162.08 - Step 4: Simplify right side
5,777,536.72x = 25,506,609,712,917.14 - Step 5: Solve for x
x = 25,506,609,712,917.14/5,777,536.72 - Step 6: Final answer
x = 4,414,789.72
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1.5x scale
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.