Finding the Fourth Proportional to 1,932,313.68, 2,666,542.14 and 1,072,851.84
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Solution
The fourth proportional to 1,932,313.68, 2,666,542.14 and 1,072,851.84 is: 1,480,507.37
Step by Step Solution
- Step 1: Write the proportion equation
1,932,313.68 : 2,666,542.14 = 1,072,851.84 : x - Step 2: Convert to fraction form
1,932,313.68/2,666,542.14 = 1,072,851.84/x - Step 3: Cross multiply
1,932,313.68x = 2,666,542.14 × 1,072,851.84 - Step 4: Simplify right side
1,932,313.68x = 2,860,804,641,336.54 - Step 5: Solve for x
x = 2,860,804,641,336.54/1,932,313.68 - Step 6: Final answer
x = 1,480,507.37
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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.