Finding the Fourth Proportional to 6,503,539.40, 8,974,762.98 and 3,925,328.84
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Solution
The fourth proportional to 6,503,539.40, 8,974,762.98 and 3,925,328.84 is: 5,416,880.53
Step by Step Solution
- Step 1: Write the proportion equation
6,503,539.40 : 8,974,762.98 = 3,925,328.84 : x - Step 2: Convert to fraction form
6,503,539.40/8,974,762.98 = 3,925,328.84/x - Step 3: Cross multiply
6,503,539.40x = 8,974,762.98 × 3,925,328.84 - Step 4: Simplify right side
6,503,539.40x = 35,228,895,957,558.34 - Step 5: Solve for x
x = 35,228,895,957,558.34/6,503,539.40 - Step 6: Final answer
x = 5,416,880.53
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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.