Finding the Fourth Proportional to 1,611,945.87, 2,417,831.28 and 489,927.39
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Solution
The fourth proportional to 1,611,945.87, 2,417,831.28 and 489,927.39 is: 734,864.48
Step by Step Solution
- Step 1: Write the proportion equation
1,611,945.87 : 2,417,831.28 = 489,927.39 : x - Step 2: Convert to fraction form
1,611,945.87/2,417,831.28 = 489,927.39/x - Step 3: Cross multiply
1,611,945.87x = 2,417,831.28 × 489,927.39 - Step 4: Simplify right side
1,611,945.87x = 1,184,561,768,470.76 - Step 5: Solve for x
x = 1,184,561,768,470.76/1,611,945.87 - Step 6: Final answer
x = 734,864.48
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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.