Finding the Fourth Proportional to 2,842,408.18, 3,922,574.61 and 1,553,302.90
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Solution
The fourth proportional to 2,842,408.18, 3,922,574.61 and 1,553,302.90 is: 2,143,586.05
Step by Step Solution
- Step 1: Write the proportion equation
2,842,408.18 : 3,922,574.61 = 1,553,302.90 : x - Step 2: Convert to fraction form
2,842,408.18/3,922,574.61 = 1,553,302.90/x - Step 3: Cross multiply
2,842,408.18x = 3,922,574.61 × 1,553,302.90 - Step 4: Simplify right side
2,842,408.18x = 6,092,946,517,179.37 - Step 5: Solve for x
x = 6,092,946,517,179.37/2,842,408.18 - Step 6: Final answer
x = 2,143,586.05
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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.