Finding the Fourth Proportional to 3,580,964.99, 4,941,717.68 and 1,949,462.99
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Solution
The fourth proportional to 3,580,964.99, 4,941,717.68 and 1,949,462.99 is: 2,690,251.30
Step by Step Solution
- Step 1: Write the proportion equation
3,580,964.99 : 4,941,717.68 = 1,949,462.99 : x - Step 2: Convert to fraction form
3,580,964.99/4,941,717.68 = 1,949,462.99/x - Step 3: Cross multiply
3,580,964.99x = 4,941,717.68 × 1,949,462.99 - Step 4: Simplify right side
3,580,964.99x = 9,633,695,689,732.76 - Step 5: Solve for x
x = 9,633,695,689,732.76/3,580,964.99 - Step 6: Final answer
x = 2,690,251.30
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1.5x scale
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.