Finding the Fourth Proportional to 3,995,510.30, 5,512,454.99 and 2,275,412.93
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Solution
The fourth proportional to 3,995,510.30, 5,512,454.99 and 2,275,412.93 is: 3,139,301.46
Step by Step Solution
- Step 1: Write the proportion equation
3,995,510.30 : 5,512,454.99 = 2,275,412.93 : x - Step 2: Convert to fraction form
3,995,510.30/5,512,454.99 = 2,275,412.93/x - Step 3: Cross multiply
3,995,510.30x = 5,512,454.99 × 2,275,412.93 - Step 4: Simplify right side
3,995,510.30x = 12,543,111,321,349.68 - Step 5: Solve for x
x = 12,543,111,321,349.68/3,995,510.30 - Step 6: Final answer
x = 3,139,301.46
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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.