Finding the Fourth Proportional to 5,364,706.80, 8,041,811.40 and 2,165,563.20
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Solution
The fourth proportional to 5,364,706.80, 8,041,811.40 and 2,165,563.20 is: 3,246,226.02
Step by Step Solution
- Step 1: Write the proportion equation
5,364,706.80 : 8,041,811.40 = 2,165,563.20 : x - Step 2: Convert to fraction form
5,364,706.80/8,041,811.40 = 2,165,563.20/x - Step 3: Cross multiply
5,364,706.80x = 8,041,811.40 × 2,165,563.20 - Step 4: Simplify right side
5,364,706.80x = 17,415,050,829,180.48 - Step 5: Solve for x
x = 17,415,050,829,180.48/5,364,706.80 - Step 6: Final answer
x = 3,246,226.02
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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.