Finding the Fourth Proportional to 3,163,477.29, 4,365,575.84 and 1,713,139.08
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Solution
The fourth proportional to 3,163,477.29, 4,365,575.84 and 1,713,139.08 is: 2,364,119.57
Step by Step Solution
- Step 1: Write the proportion equation
3,163,477.29 : 4,365,575.84 = 1,713,139.08 : x - Step 2: Convert to fraction form
3,163,477.29/4,365,575.84 = 1,713,139.08/x - Step 3: Cross multiply
3,163,477.29x = 4,365,575.84 × 1,713,139.08 - Step 4: Simplify right side
3,163,477.29x = 7,478,838,578,207.83 - Step 5: Solve for x
x = 7,478,838,578,207.83/3,163,477.29 - Step 6: Final answer
x = 2,364,119.57
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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.