Finding the Fourth Proportional to 2,291,751.12, 3,162,684.78 and 1,324,795.80
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Solution
The fourth proportional to 2,291,751.12, 3,162,684.78 and 1,324,795.80 is: 1,828,257.65
Step by Step Solution
- Step 1: Write the proportion equation
2,291,751.12 : 3,162,684.78 = 1,324,795.80 : x - Step 2: Convert to fraction form
2,291,751.12/3,162,684.78 = 1,324,795.80/x - Step 3: Cross multiply
2,291,751.12x = 3,162,684.78 × 1,324,795.80 - Step 4: Simplify right side
2,291,751.12x = 4,189,911,513,267.92 - Step 5: Solve for x
x = 4,189,911,513,267.92/2,291,751.12 - Step 6: Final answer
x = 1,828,257.65
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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.