Finding the Fourth Proportional to 3,422,901.68, 4,723,424.28 and 1,873,866.32
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Solution
The fourth proportional to 3,422,901.68, 4,723,424.28 and 1,873,866.32 is: 2,585,836.96
Step by Step Solution
- Step 1: Write the proportion equation
3,422,901.68 : 4,723,424.28 = 1,873,866.32 : x - Step 2: Convert to fraction form
3,422,901.68/4,723,424.28 = 1,873,866.32/x - Step 3: Cross multiply
3,422,901.68x = 4,723,424.28 × 1,873,866.32 - Step 4: Simplify right side
3,422,901.68x = 8,851,065,673,362.25 - Step 5: Solve for x
x = 8,851,065,673,362.25/3,422,901.68 - Step 6: Final answer
x = 2,585,836.96
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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.