Finding the Fourth Proportional to 3,062,125.80, 4,225,700.07 and 1,685,440.08
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Solution
The fourth proportional to 3,062,125.80, 4,225,700.07 and 1,685,440.08 is: 2,325,888.85
Step by Step Solution
- Step 1: Write the proportion equation
3,062,125.80 : 4,225,700.07 = 1,685,440.08 : x - Step 2: Convert to fraction form
3,062,125.80/4,225,700.07 = 1,685,440.08/x - Step 3: Cross multiply
3,062,125.80x = 4,225,700.07 × 1,685,440.08 - Step 4: Simplify right side
3,062,125.80x = 7,122,164,264,036.81 - Step 5: Solve for x
x = 7,122,164,264,036.81/3,062,125.80 - Step 6: Final answer
x = 2,325,888.85
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1.5x scale
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.