Finding the Fourth Proportional to 1,322,497.08, 1,986,071.40 and 1,303,564.68
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Solution
The fourth proportional to 1,322,497.08, 1,986,071.40 and 1,303,564.68 is: 1,957,639.50
Step by Step Solution
- Step 1: Write the proportion equation
1,322,497.08 : 1,986,071.40 = 1,303,564.68 : x - Step 2: Convert to fraction form
1,322,497.08/1,986,071.40 = 1,303,564.68/x - Step 3: Cross multiply
1,322,497.08x = 1,986,071.40 × 1,303,564.68 - Step 4: Simplify right side
1,322,497.08x = 2,588,972,528,998.15 - Step 5: Solve for x
x = 2,588,972,528,998.15/1,322,497.08 - Step 6: Final answer
x = 1,957,639.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.