Finding the Fourth Proportional to 3,731,003.22, 5,587,536.36 and 2,128,708.56
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Solution
The fourth proportional to 3,731,003.22, 5,587,536.36 and 2,128,708.56 is: 3,187,945.92
Step by Step Solution
- Step 1: Write the proportion equation
3,731,003.22 : 5,587,536.36 = 2,128,708.56 : x - Step 2: Convert to fraction form
3,731,003.22/5,587,536.36 = 2,128,708.56/x - Step 3: Cross multiply
3,731,003.22x = 5,587,536.36 × 2,128,708.56 - Step 4: Simplify right side
3,731,003.22x = 11,894,236,478,843.24 - Step 5: Solve for x
x = 11,894,236,478,843.24/3,731,003.22 - Step 6: Final answer
x = 3,187,945.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.