Finding the Fourth Proportional to 2,863,655.67, 3,951,698.50 and 1,574,246.95
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Solution
The fourth proportional to 2,863,655.67, 3,951,698.50 and 1,574,246.95 is: 2,172,380.35
Step by Step Solution
- Step 1: Write the proportion equation
2,863,655.67 : 3,951,698.50 = 1,574,246.95 : x - Step 2: Convert to fraction form
2,863,655.67/3,951,698.50 = 1,574,246.95/x - Step 3: Cross multiply
2,863,655.67x = 3,951,698.50 × 1,574,246.95 - Step 4: Simplify right side
2,863,655.67x = 6,220,949,303,033.14 - Step 5: Solve for x
x = 6,220,949,303,033.14/2,863,655.67 - Step 6: Final answer
x = 2,172,380.35
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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.