Finding the Fourth Proportional to 1,725,995.51, 2,589,880.35 and 1,323,771.65
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Solution
The fourth proportional to 1,725,995.51, 2,589,880.35 and 1,323,771.65 is: 1,986,337.83
Step by Step Solution
- Step 1: Write the proportion equation
1,725,995.51 : 2,589,880.35 = 1,323,771.65 : x - Step 2: Convert to fraction form
1,725,995.51/2,589,880.35 = 1,323,771.65/x - Step 3: Cross multiply
1,725,995.51x = 2,589,880.35 × 1,323,771.65 - Step 4: Simplify right side
1,725,995.51x = 3,428,410,184,222.08 - Step 5: Solve for x
x = 3,428,410,184,222.08/1,725,995.51 - Step 6: Final answer
x = 1,986,337.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.