Finding the Fourth Proportional to 1,447,410.24, 1,997,412.12 and 802,831.68
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Solution
The fourth proportional to 1,447,410.24, 1,997,412.12 and 802,831.68 is: 1,107,899.95
Step by Step Solution
- Step 1: Write the proportion equation
1,447,410.24 : 1,997,412.12 = 802,831.68 : x - Step 2: Convert to fraction form
1,447,410.24/1,997,412.12 = 802,831.68/x - Step 3: Cross multiply
1,447,410.24x = 1,997,412.12 × 802,831.68 - Step 4: Simplify right side
1,447,410.24x = 1,603,585,727,951.96 - Step 5: Solve for x
x = 1,603,585,727,951.96/1,447,410.24 - Step 6: Final answer
x = 1,107,899.95
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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.