Finding the Fourth Proportional to 3,732,181.20, 5,598,271.80 and 1,209,646.80
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Solution
The fourth proportional to 3,732,181.20, 5,598,271.80 and 1,209,646.80 is: 1,814,470.20
Step by Step Solution
- Step 1: Write the proportion equation
3,732,181.20 : 5,598,271.80 = 1,209,646.80 : x - Step 2: Convert to fraction form
3,732,181.20/5,598,271.80 = 1,209,646.80/x - Step 3: Cross multiply
3,732,181.20x = 5,598,271.80 × 1,209,646.80 - Step 4: Simplify right side
3,732,181.20x = 6,771,931,568,400.24 - Step 5: Solve for x
x = 6,771,931,568,400.24/3,732,181.20 - Step 6: Final answer
x = 1,814,470.20
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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.