Finding the Fourth Proportional to 2,170,506.20, 2,995,050.96 and 1,203,392.12
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Solution
The fourth proportional to 2,170,506.20, 2,995,050.96 and 1,203,392.12 is: 1,660,543.85
Step by Step Solution
- Step 1: Write the proportion equation
2,170,506.20 : 2,995,050.96 = 1,203,392.12 : x - Step 2: Convert to fraction form
2,170,506.20/2,995,050.96 = 1,203,392.12/x - Step 3: Cross multiply
2,170,506.20x = 2,995,050.96 × 1,203,392.12 - Step 4: Simplify right side
2,170,506.20x = 3,604,220,724,262.44 - Step 5: Solve for x
x = 3,604,220,724,262.44/2,170,506.20 - Step 6: Final answer
x = 1,660,543.85
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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.