Finding the Fourth Proportional to 2,391,135.16, 3,571,463.55 and 2,163,079.92
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Solution
The fourth proportional to 2,391,135.16, 3,571,463.55 and 2,163,079.92 is: 3,230,834.13
Step by Step Solution
- Step 1: Write the proportion equation
2,391,135.16 : 3,571,463.55 = 2,163,079.92 : x - Step 2: Convert to fraction form
2,391,135.16/3,571,463.55 = 2,163,079.92/x - Step 3: Cross multiply
2,391,135.16x = 3,571,463.55 × 2,163,079.92 - Step 4: Simplify right side
2,391,135.16x = 7,725,361,090,016.92 - Step 5: Solve for x
x = 7,725,361,090,016.92/2,391,135.16 - Step 6: Final answer
x = 3,230,834.13
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.