Finding the Fourth Proportional to 8,117,601.84, 12,176,970.84 and 3,259,907.55
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Solution
The fourth proportional to 8,117,601.84, 12,176,970.84 and 3,259,907.55 is: 4,890,089.46
Step by Step Solution
- Step 1: Write the proportion equation
8,117,601.84 : 12,176,970.84 = 3,259,907.55 : x - Step 2: Convert to fraction form
8,117,601.84/12,176,970.84 = 3,259,907.55/x - Step 3: Cross multiply
8,117,601.84x = 12,176,970.84 × 3,259,907.55 - Step 4: Simplify right side
8,117,601.84x = 39,695,799,177,445.84 - Step 5: Solve for x
x = 39,695,799,177,445.84/8,117,601.84 - Step 6: Final answer
x = 4,890,089.46
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1.5x scale
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.