Finding the Fourth Proportional to 2,391,134.15, 3,571,462.06 and 2,163,078.92
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Solution
The fourth proportional to 2,391,134.15, 3,571,462.06 and 2,163,078.92 is: 3,230,832.66
Step by Step Solution
- Step 1: Write the proportion equation
2,391,134.15 : 3,571,462.06 = 2,163,078.92 : x - Step 2: Convert to fraction form
2,391,134.15/3,571,462.06 = 2,163,078.92/x - Step 3: Cross multiply
2,391,134.15x = 3,571,462.06 × 2,163,078.92 - Step 4: Simplify right side
2,391,134.15x = 7,725,354,295,565.78 - Step 5: Solve for x
x = 7,725,354,295,565.78/2,391,134.15 - Step 6: Final answer
x = 3,230,832.66
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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.