Finding the Fourth Proportional to 3,612,416.17, 5,414,831.15 and 1,215,428.63
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Solution
The fourth proportional to 3,612,416.17, 5,414,831.15 and 1,215,428.63 is: 1,821,866.72
Step by Step Solution
- Step 1: Write the proportion equation
3,612,416.17 : 5,414,831.15 = 1,215,428.63 : x - Step 2: Convert to fraction form
3,612,416.17/5,414,831.15 = 1,215,428.63/x - Step 3: Cross multiply
3,612,416.17x = 5,414,831.15 × 1,215,428.63 - Step 4: Simplify right side
3,612,416.17x = 6,581,340,806,325.82 - Step 5: Solve for x
x = 6,581,340,806,325.82/3,612,416.17 - Step 6: Final answer
x = 1,821,866.72
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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.