Finding the Fourth Proportional to 3,414,979.41, 4,712,739.18 and 1,866,336.99
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Solution
The fourth proportional to 3,414,979.41, 4,712,739.18 and 1,866,336.99 is: 2,575,581.99
Step by Step Solution
- Step 1: Write the proportion equation
3,414,979.41 : 4,712,739.18 = 1,866,336.99 : x - Step 2: Convert to fraction form
3,414,979.41/4,712,739.18 = 1,866,336.99/x - Step 3: Cross multiply
3,414,979.41x = 4,712,739.18 × 1,866,336.99 - Step 4: Simplify right side
3,414,979.41x = 8,795,559,455,856.27 - Step 5: Solve for x
x = 8,795,559,455,856.27/3,414,979.41 - Step 6: Final answer
x = 2,575,581.99
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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.