Finding the Fourth Proportional to 3,936,953.02, 5,432,995.17 and 2,126,117.02
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Solution
The fourth proportional to 3,936,953.02, 5,432,995.17 and 2,126,117.02 is: 2,934,041.49
Step by Step Solution
- Step 1: Write the proportion equation
3,936,953.02 : 5,432,995.17 = 2,126,117.02 : x - Step 2: Convert to fraction form
3,936,953.02/5,432,995.17 = 2,126,117.02/x - Step 3: Cross multiply
3,936,953.02x = 5,432,995.17 × 2,126,117.02 - Step 4: Simplify right side
3,936,953.02x = 11,551,183,500,514.79 - Step 5: Solve for x
x = 11,551,183,500,514.79/3,936,953.02 - Step 6: Final answer
x = 2,934,041.49
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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.