Finding the Fourth Proportional to 5,656,791.74, 7,806,548.61 and 3,209,505.93
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Solution
The fourth proportional to 5,656,791.74, 7,806,548.61 and 3,209,505.93 is: 4,429,218.05
Step by Step Solution
- Step 1: Write the proportion equation
5,656,791.74 : 7,806,548.61 = 3,209,505.93 : x - Step 2: Convert to fraction form
5,656,791.74/7,806,548.61 = 3,209,505.93/x - Step 3: Cross multiply
5,656,791.74x = 7,806,548.61 × 3,209,505.93 - Step 4: Simplify right side
5,656,791.74x = 25,055,164,056,628.26 - Step 5: Solve for x
x = 25,055,164,056,628.26/5,656,791.74 - Step 6: Final answer
x = 4,429,218.05
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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.