Finding the Fourth Proportional to 2,791,205.68, 3,851,403.24 and 1,645,507.66
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Solution
The fourth proportional to 2,791,205.68, 3,851,403.24 and 1,645,507.66 is: 2,270,529.03
Step by Step Solution
- Step 1: Write the proportion equation
2,791,205.68 : 3,851,403.24 = 1,645,507.66 : x - Step 2: Convert to fraction form
2,791,205.68/3,851,403.24 = 1,645,507.66/x - Step 3: Cross multiply
2,791,205.68x = 3,851,403.24 × 1,645,507.66 - Step 4: Simplify right side
2,791,205.68x = 6,337,513,533,168.82 - Step 5: Solve for x
x = 6,337,513,533,168.82/2,791,205.68 - Step 6: Final answer
x = 2,270,529.03
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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.