Finding the Fourth Proportional to 3,199,983.17, 4,415,891.99 and 1,893,302.61
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Solution
The fourth proportional to 3,199,983.17, 4,415,891.99 and 1,893,302.61 is: 2,612,707.43
Step by Step Solution
- Step 1: Write the proportion equation
3,199,983.17 : 4,415,891.99 = 1,893,302.61 : x - Step 2: Convert to fraction form
3,199,983.17/4,415,891.99 = 1,893,302.61/x - Step 3: Cross multiply
3,199,983.17x = 4,415,891.99 × 1,893,302.61 - Step 4: Simplify right side
3,199,983.17x = 8,360,619,804,118.99 - Step 5: Solve for x
x = 8,360,619,804,118.99/3,199,983.17 - Step 6: Final answer
x = 2,612,707.43
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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.