Finding the Fourth Proportional to 2,643,345.80, 3,647,842.90 and 1,497,401.64
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Solution
The fourth proportional to 2,643,345.80, 3,647,842.90 and 1,497,401.64 is: 2,066,428.82
Step by Step Solution
- Step 1: Write the proportion equation
2,643,345.80 : 3,647,842.90 = 1,497,401.64 : x - Step 2: Convert to fraction form
2,643,345.80/3,647,842.90 = 1,497,401.64/x - Step 3: Cross multiply
2,643,345.80x = 3,647,842.90 × 1,497,401.64 - Step 4: Simplify right side
2,643,345.80x = 5,462,285,940,922.36 - Step 5: Solve for x
x = 5,462,285,940,922.36/2,643,345.80 - Step 6: Final answer
x = 2,066,428.82
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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.