Finding the Fourth Proportional to 2,128,848.58, 3,193,761.87 and 612,544.07
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Solution
The fourth proportional to 2,128,848.58, 3,193,761.87 and 612,544.07 is: 918,956.81
Step by Step Solution
- Step 1: Write the proportion equation
2,128,848.58 : 3,193,761.87 = 612,544.07 : x - Step 2: Convert to fraction form
2,128,848.58/3,193,761.87 = 612,544.07/x - Step 3: Cross multiply
2,128,848.58x = 3,193,761.87 × 612,544.07 - Step 4: Simplify right side
2,128,848.58x = 1,956,319,903,306.50 - Step 5: Solve for x
x = 1,956,319,903,306.50/2,128,848.58 - Step 6: Final answer
x = 918,956.81
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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.