Finding the Fourth Proportional to 2,170,743.12, 2,995,809.53 and 1,204,184.84
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Solution
The fourth proportional to 2,170,743.12, 2,995,809.53 and 1,204,184.84 is: 1,661,877.15
Step by Step Solution
- Step 1: Write the proportion equation
2,170,743.12 : 2,995,809.53 = 1,204,184.84 : x - Step 2: Convert to fraction form
2,170,743.12/2,995,809.53 = 1,204,184.84/x - Step 3: Cross multiply
2,170,743.12x = 2,995,809.53 × 1,204,184.84 - Step 4: Simplify right side
2,170,743.12x = 3,607,508,398,553.55 - Step 5: Solve for x
x = 3,607,508,398,553.55/2,170,743.12 - Step 6: Final answer
x = 1,661,877.15
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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.