Finding the Fourth Proportional to 4,111,681.77, 5,674,165.79 and 2,276,170.74
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Solution
The fourth proportional to 4,111,681.77, 5,674,165.79 and 2,276,170.74 is: 3,141,140.50
Step by Step Solution
- Step 1: Write the proportion equation
4,111,681.77 : 5,674,165.79 = 2,276,170.74 : x - Step 2: Convert to fraction form
4,111,681.77/5,674,165.79 = 2,276,170.74/x - Step 3: Cross multiply
4,111,681.77x = 5,674,165.79 × 2,276,170.74 - Step 4: Simplify right side
4,111,681.77x = 12,915,370,133,726.13 - Step 5: Solve for x
x = 12,915,370,133,726.13/4,111,681.77 - Step 6: Final answer
x = 3,141,140.50
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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.