Finding the Fourth Proportional to 3,154,967.80, 4,732,451.70 and 2,968,343.80
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Solution
The fourth proportional to 3,154,967.80, 4,732,451.70 and 2,968,343.80 is: 4,452,515.70
Step by Step Solution
- Step 1: Write the proportion equation
3,154,967.80 : 4,732,451.70 = 2,968,343.80 : x - Step 2: Convert to fraction form
3,154,967.80/4,732,451.70 = 2,968,343.80/x - Step 3: Cross multiply
3,154,967.80x = 4,732,451.70 × 2,968,343.80 - Step 4: Simplify right side
3,154,967.80x = 14,047,543,662,494.46 - Step 5: Solve for x
x = 14,047,543,662,494.46/3,154,967.80 - Step 6: Final answer
x = 4,452,515.70
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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.