Finding the Fourth Proportional to 2,216,716.63, 3,326,320.62 and 1,205,909.32
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Solution
The fourth proportional to 2,216,716.63, 3,326,320.62 and 1,205,909.32 is: 1,809,541.64
Step by Step Solution
- Step 1: Write the proportion equation
2,216,716.63 : 3,326,320.62 = 1,205,909.32 : x - Step 2: Convert to fraction form
2,216,716.63/3,326,320.62 = 1,205,909.32/x - Step 3: Cross multiply
2,216,716.63x = 3,326,320.62 × 1,205,909.32 - Step 4: Simplify right side
2,216,716.63x = 4,011,241,036,966.18 - Step 5: Solve for x
x = 4,011,241,036,966.18/2,216,716.63 - Step 6: Final answer
x = 1,809,541.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.