Finding the Fourth Proportional to 1,660,583.19, 2,481,776.54 and 1,212,248.19
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Solution
The fourth proportional to 1,660,583.19, 2,481,776.54 and 1,212,248.19 is: 1,811,730.44
Step by Step Solution
- Step 1: Write the proportion equation
1,660,583.19 : 2,481,776.54 = 1,212,248.19 : x - Step 2: Convert to fraction form
1,660,583.19/2,481,776.54 = 1,212,248.19/x - Step 3: Cross multiply
1,660,583.19x = 2,481,776.54 × 1,212,248.19 - Step 4: Simplify right side
1,660,583.19x = 3,008,529,112,538.22 - Step 5: Solve for x
x = 3,008,529,112,538.22/1,660,583.19 - Step 6: Final answer
x = 1,811,730.44
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.