Finding the Fourth Proportional to 1,965,804.77, 2,713,647.55 and 1,321,598.68
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Solution
The fourth proportional to 1,965,804.77, 2,713,647.55 and 1,321,598.68 is: 1,824,368.87
Step by Step Solution
- Step 1: Write the proportion equation
1,965,804.77 : 2,713,647.55 = 1,321,598.68 : x - Step 2: Convert to fraction form
1,965,804.77/2,713,647.55 = 1,321,598.68/x - Step 3: Cross multiply
1,965,804.77x = 2,713,647.55 × 1,321,598.68 - Step 4: Simplify right side
1,965,804.77x = 3,586,353,020,065.23 - Step 5: Solve for x
x = 3,586,353,020,065.23/1,965,804.77 - Step 6: Final answer
x = 1,824,368.87
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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.