Finding the Fourth Proportional to 4,365,307.71, 6,021,958.64 and 2,916,945.09
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Solution
The fourth proportional to 4,365,307.71, 6,021,958.64 and 2,916,945.09 is: 4,023,936.88
Step by Step Solution
- Step 1: Write the proportion equation
4,365,307.71 : 6,021,958.64 = 2,916,945.09 : x - Step 2: Convert to fraction form
4,365,307.71/6,021,958.64 = 2,916,945.09/x - Step 3: Cross multiply
4,365,307.71x = 6,021,958.64 × 2,916,945.09 - Step 4: Simplify right side
4,365,307.71x = 17,565,722,672,546.35 - Step 5: Solve for x
x = 17,565,722,672,546.35/4,365,307.71 - Step 6: Final answer
x = 4,023,936.88
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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.