Finding the Fourth Proportional to 1,916,983.08, 2,645,429.14 and 1,057,596.84
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Solution
The fourth proportional to 1,916,983.08, 2,645,429.14 and 1,057,596.84 is: 1,459,479.50
Step by Step Solution
- Step 1: Write the proportion equation
1,916,983.08 : 2,645,429.14 = 1,057,596.84 : x - Step 2: Convert to fraction form
1,916,983.08/2,645,429.14 = 1,057,596.84/x - Step 3: Cross multiply
1,916,983.08x = 2,645,429.14 × 1,057,596.84 - Step 4: Simplify right side
1,916,983.08x = 2,797,797,498,907.92 - Step 5: Solve for x
x = 2,797,797,498,907.92/1,916,983.08 - Step 6: Final answer
x = 1,459,479.50
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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.