Finding the Fourth Proportional to 2,842,417.20, 3,922,587.04 and 1,553,311.92
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Solution
The fourth proportional to 2,842,417.20, 3,922,587.04 and 1,553,311.92 is: 2,143,598.49
Step by Step Solution
- Step 1: Write the proportion equation
2,842,417.20 : 3,922,587.04 = 1,553,311.92 : x - Step 2: Convert to fraction form
2,842,417.20/3,922,587.04 = 1,553,311.92/x - Step 3: Cross multiply
2,842,417.20x = 3,922,587.04 × 1,553,311.92 - Step 4: Simplify right side
2,842,417.20x = 6,093,001,206,469.52 - Step 5: Solve for x
x = 6,093,001,206,469.52/2,842,417.20 - Step 6: Final answer
x = 2,143,598.49
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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.