Finding the Fourth Proportional to 1,611,929.57, 2,417,806.85 and 489,911.09
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Solution
The fourth proportional to 1,611,929.57, 2,417,806.85 and 489,911.09 is: 734,840.03
Step by Step Solution
- Step 1: Write the proportion equation
1,611,929.57 : 2,417,806.85 = 489,911.09 : x - Step 2: Convert to fraction form
1,611,929.57/2,417,806.85 = 489,911.09/x - Step 3: Cross multiply
1,611,929.57x = 2,417,806.85 × 489,911.09 - Step 4: Simplify right side
1,611,929.57x = 1,184,510,374,754.38 - Step 5: Solve for x
x = 1,184,510,374,754.38/1,611,929.57 - Step 6: Final answer
x = 734,840.03
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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.