Finding the Fourth Proportional to 3,197,265.20, 4,791,815.40 and 1,301,865.20
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Solution
The fourth proportional to 3,197,265.20, 4,791,815.40 and 1,301,865.20 is: 1,951,135.52
Step by Step Solution
- Step 1: Write the proportion equation
3,197,265.20 : 4,791,815.40 = 1,301,865.20 : x - Step 2: Convert to fraction form
3,197,265.20/4,791,815.40 = 1,301,865.20/x - Step 3: Cross multiply
3,197,265.20x = 4,791,815.40 × 1,301,865.20 - Step 4: Simplify right side
3,197,265.20x = 6,238,297,714,084.08 - Step 5: Solve for x
x = 6,238,297,714,084.08/3,197,265.20 - Step 6: Final answer
x = 1,951,135.52
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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.