Finding the Fourth Proportional to 2,912,455.91, 4,019,207.82 and 1,623,378.04
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Solution
The fourth proportional to 2,912,455.91, 4,019,207.82 and 1,623,378.04 is: 2,240,272.09
Step by Step Solution
- Step 1: Write the proportion equation
2,912,455.91 : 4,019,207.82 = 1,623,378.04 : x - Step 2: Convert to fraction form
2,912,455.91/4,019,207.82 = 1,623,378.04/x - Step 3: Cross multiply
2,912,455.91x = 4,019,207.82 × 1,623,378.04 - Step 4: Simplify right side
2,912,455.91x = 6,524,693,697,048.59 - Step 5: Solve for x
x = 6,524,693,697,048.59/2,912,455.91 - Step 6: Final answer
x = 2,240,272.09
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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.