Finding the Fourth Proportional to 2,605,536.80, 3,908,305.20 and 899,676.80
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Solution
The fourth proportional to 2,605,536.80, 3,908,305.20 and 899,676.80 is: 1,349,515.20
Step by Step Solution
- Step 1: Write the proportion equation
2,605,536.80 : 3,908,305.20 = 899,676.80 : x - Step 2: Convert to fraction form
2,605,536.80/3,908,305.20 = 899,676.80/x - Step 3: Cross multiply
2,605,536.80x = 3,908,305.20 × 899,676.80 - Step 4: Simplify right side
2,605,536.80x = 3,516,211,515,759.36 - Step 5: Solve for x
x = 3,516,211,515,759.36/2,605,536.80 - Step 6: Final answer
x = 1,349,515.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.