Finding the Fourth Proportional to 2,758,685.30, 3,806,415.15 and 1,612,543.94
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Solution
The fourth proportional to 2,758,685.30, 3,806,415.15 and 1,612,543.94 is: 2,224,977.12
Step by Step Solution
- Step 1: Write the proportion equation
2,758,685.30 : 3,806,415.15 = 1,612,543.94 : x - Step 2: Convert to fraction form
2,758,685.30/3,806,415.15 = 1,612,543.94/x - Step 3: Cross multiply
2,758,685.30x = 3,806,415.15 × 1,612,543.94 - Step 4: Simplify right side
2,758,685.30x = 6,138,011,664,224.62 - Step 5: Solve for x
x = 6,138,011,664,224.62/2,758,685.30 - Step 6: Final answer
x = 2,224,977.12
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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.